/* ============================================================
   FrNourish — Smart Nutrition & Healthy Eating
   Premium Design System
   ============================================================ */

/* ===== CSS Custom Properties ===== */
:root {
    /* Light Theme (Default) */
    --bg-primary: #F8FAFC;
    --bg-secondary: #F1F5F9;
    --bg-tertiary: #E2E8F0;
    --bg-card: rgba(255, 255, 255, 0.95);
    --bg-card-hover: rgba(255, 255, 255, 1);
    --bg-glass: rgba(255, 255, 255, 0.8);
    --bg-glass-hover: rgba(255, 255, 255, 0.95);

    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;

    --border-color: rgba(0, 0, 0, 0.08);
    --border-glow: rgba(16, 185, 129, 0.2);

    --accent-green: #10B981;
    --accent-green-dim: rgba(16, 185, 129, 0.15);
    --accent-emerald: #059669;
    --accent-teal: #14B8A6;
    --accent-amber: #F59E0B;
    --accent-amber-dim: rgba(245, 158, 11, 0.15);
    --accent-purple: #8B5CF6;
    --accent-purple-dim: rgba(139, 92, 246, 0.15);
    --accent-blue: #3B82F6;
    --accent-blue-dim: rgba(59, 130, 246, 0.15);
    --accent-coral: #F43F5E;
    --accent-coral-dim: rgba(244, 63, 94, 0.15);
    --accent-cyan: #06B6D4;

    --gradient-primary: linear-gradient(135deg, #10B981, #059669);
    --gradient-warm: linear-gradient(135deg, #F59E0B, #EF4444);
    --gradient-cool: linear-gradient(135deg, #3B82F6, #8B5CF6);
    --gradient-hero: linear-gradient(135deg, #10B981 0%, #14B8A6 50%, #3B82F6 100%);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 30px rgba(16, 185, 129, 0.1);

    --sidebar-width: 260px;
    --sidebar-collapsed: 72px;
    --topbar-height: 70px;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #060B18;
    --bg-secondary: #0D1324;
    --bg-tertiary: #131A2E;
    --bg-card: rgba(19, 26, 46, 0.8);
    --bg-card-hover: rgba(25, 34, 58, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);

    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 30px rgba(16, 185, 129, 0.2);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ===== Particle Background ===== */
.particles-bg {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    animation: floatParticle linear infinite;
    opacity: 0;
}

@keyframes floatParticle {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* ===== Loading Screen ===== */
.loading-screen {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--bg-primary);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.loader-icon {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-text {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loader-bar {
    width: 240px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin: 0 auto 16px;
}

.loader-bar-fill {
    width: 0%;
    height: 100%;
    background: var(--gradient-hero);
    border-radius: 4px;
    animation: loaderFill 2s ease-in-out forwards;
}

@keyframes loaderFill {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

.loader-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ===== Modal Overlay ===== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 5000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px;
    max-width: 520px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: scaleIn 0.4s var(--transition-bounce);
    box-shadow: var(--shadow-lg);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.modal-close:hover {
    background: var(--accent-coral-dim);
    color: var(--accent-coral);
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; } }
@keyframes scaleIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ===== Onboarding ===== */
.onboarding-modal {
    max-width: 560px;
}

.onboarding-step {
    display: none;
    animation: slideInRight 0.4s ease;
}

.onboarding-step.active { display: block; }

@keyframes slideInRight {
    from { transform: translateX(30px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.onboarding-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-xl);
    background: var(--accent-green-dim);
    color: var(--accent-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
}

.onboarding-step h2 {
    text-align: center;
    margin-bottom: 8px;
    font-size: 1.6rem;
}

.onboarding-step > p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.onboarding-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.onboarding-progress {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.progress-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    transition: var(--transition-base);
}

.progress-dot.active {
    background: var(--accent-green);
    width: 30px;
    border-radius: 6px;
}

/* Goal Cards */
.goal-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.goal-card input { display: none; }

.goal-card-inner {
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 12px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.goal-card-inner i { font-size: 1.5rem; color: var(--text-secondary); }
.goal-card-inner span { font-size: 0.85rem; font-weight: 600; }

.goal-card input:checked + .goal-card-inner {
    border-color: var(--accent-green);
    background: var(--accent-green-dim);
}

.goal-card input:checked + .goal-card-inner i {
    color: var(--accent-green);
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px var(--accent-green-dim);
}

.form-input::placeholder { color: var(--text-muted); }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

textarea.form-input { resize: vertical; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition-fast);
}

.btn-glow:hover::after { opacity: 1; }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-ghost:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.btn-outline {
    background: transparent;
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
}

.btn-outline:hover {
    background: var(--accent-green-dim);
}

.btn-danger {
    background: var(--accent-coral-dim);
    color: var(--accent-coral);
    border: 1px solid rgba(244, 63, 94, 0.2);
}

.btn-danger:hover {
    background: var(--accent-coral);
    color: #fff;
}

.btn-sm { padding: 8px 16px; font-size: 0.8rem; }
.btn-block { width: 100%; }

.btn-water {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-full);
    font-size: 1.2rem;
    padding: 0;
}

.btn-add-water {
    background: var(--gradient-primary);
    color: #fff;
}

.btn-remove {
    background: var(--bg-glass);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* ===== App Container ===== */
.app-container {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0; top: 0;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition-base);
    overflow: hidden;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    min-height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 3s ease-in-out infinite;
}

.logo-text {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.sidebar.collapsed .logo-text { display: none; }

.sidebar-toggle {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    font-size: 0.85rem;
}

.sidebar-toggle:hover {
    background: var(--accent-green-dim);
    color: var(--accent-green);
}

.sidebar-nav {
    flex: 1;
    padding: 12px 8px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: var(--transition-fast);
    margin-bottom: 2px;
    position: relative;
    white-space: nowrap;
}

.nav-item:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-green-dim);
    color: var(--accent-green);
    font-weight: 600;
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--accent-green);
    border-radius: 0 4px 4px 0;
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.sidebar.collapsed .nav-item span { display: none; }
.sidebar.collapsed .nav-item { justify-content: center; padding: 14px; }
.sidebar.collapsed .nav-item::before { display: none; }

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

.streak-badge {
    background: var(--accent-amber-dim);
    color: var(--accent-amber);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    white-space: nowrap;
}

.streak-badge small {
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.8;
}

.sidebar.collapsed .streak-badge small { display: none; }
.sidebar.collapsed .streak-badge { justify-content: center; }

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: var(--transition-base);
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed);
}

/* ===== Top Bar ===== */
.topbar {
    height: var(--topbar-height);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    background: rgba(6, 11, 24, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 50;
}

[data-theme="light"] .topbar {
    background: rgba(248, 250, 252, 0.85);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-menu-btn {
    display: none;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.greeting h1 {
    font-size: 1.3rem;
    font-weight: 700;
}

.greeting p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.daily-score-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 30px;
    background: var(--gradient-primary);
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: default;
    animation: pulse 3s ease-in-out infinite;
}

.topbar-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    font-size: 0.95rem;
    position: relative;
}

.topbar-btn:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
    transform: scale(1.05);
}

.notification-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: var(--accent-coral);
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--gradient-cool);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: #fff;
    cursor: pointer;
    transition: var(--transition-fast);
}

.user-avatar:hover { transform: scale(1.05); }

/* ===== Tip Banner ===== */
.tip-banner {
    margin: 16px 32px 0;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--accent-green-dim), var(--accent-blue-dim));
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideDown 0.5s ease;
}

.tip-banner.hidden { display: none; }

.tip-icon { color: var(--accent-amber); font-size: 1.1rem; }

.tip-banner span {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.tip-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: var(--transition-fast);
}

.tip-close:hover { color: var(--text-primary); }

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ===== Pages ===== */
.pages-container {
    padding: 32px 40px;
}

.page {
    display: none;
    animation: pageFadeIn 0.4s ease;
}

.page.active { display: block; }

@keyframes pageFadeIn {
    from { transform: translateY(10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.page-header {
    margin-bottom: 36px;
}

.page-header h2 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    color: var(--text-primary);
}

.page-header h2 i {
    font-size: 1.2rem;
    color: var(--accent-green);
}

.page-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== Stats Grid ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: radial-gradient(circle at top left, var(--accent-green-dim), transparent 60%);
    opacity: 0;
    transition: var(--transition-base);
    z-index: 0;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
    border-color: var(--accent-green-dim);
}

.stat-card:hover::before { opacity: 1; }

.stat-calories::before { background: radial-gradient(circle at top left, var(--accent-amber-dim), transparent 60%); }
.stat-protein::before { background: radial-gradient(circle at top left, var(--accent-purple-dim), transparent 60%); }
.stat-water::before { background: radial-gradient(circle at top left, var(--accent-blue-dim), transparent 60%); }
.stat-streak::before { background: radial-gradient(circle at top left, var(--accent-coral-dim), transparent 60%); }

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.stat-calories .stat-icon { background: var(--accent-amber-dim); color: var(--accent-amber); }
.stat-protein .stat-icon { background: var(--accent-purple-dim); color: var(--accent-purple); }
.stat-water .stat-icon { background: var(--accent-blue-dim); color: var(--accent-blue); }
.stat-streak .stat-icon { background: var(--accent-coral-dim); color: var(--accent-coral); }

.stat-info {
    flex: 1;
    position: relative;
    z-index: 1;
}

.stat-value {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    display: block;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 10px;
}

.stat-bar {
    height: 4px;
    background: var(--bg-glass);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 4px;
}

.stat-bar-fill {
    height: 100%;
    background: var(--gradient-warm);
    border-radius: 4px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-bar-fill.protein-fill { background: var(--gradient-cool); }
.stat-bar-fill.water-fill { background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan)); }

.stat-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.streak-flames {
    display: flex;
    gap: 3px;
    margin-top: 6px;
}

/* ===== Charts ===== */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 2fr;
    gap: 20px;
    margin-bottom: 32px;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition-base);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.chart-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent-green-dim);
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.chart-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chart-badge {
    background: var(--accent-green-dim);
    color: var(--accent-green);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.donut-container {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.donut-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
}

.donut-value {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    display: block;
    color: var(--text-primary);
    line-height: 1;
}

.donut-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 500;
}

.macro-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.protein-dot { background: #8B5CF6; }
.carb-dot { background: #F59E0B; }
.fat-dot { background: #F43F5E; }

.chart-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 3px;
}

.chart-tab {
    padding: 6px 14px;
    border-radius: 18px;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
}

.chart-tab:hover {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
}

.chart-tab.active {
    background: var(--accent-green);
    color: #ffffff;
}

.chart-container-wrapper {
    position: relative;
    width: 100%;
    height: 320px;
    margin-top: 20px;
}

#calorieDonut {
    max-width: 200px !important;
    max-height: 200px !important;
}

#macroChart {
    max-width: 200px !important;
    max-height: 200px !important;
    margin: 0 auto;
    display: block;
}

/* ===== Section Card ===== */
.section-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 28px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: var(--transition-base);
}

.section-card:hover {
    border-color: var(--accent-green-dim);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.section-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.section-header h3 i { 
    color: var(--accent-green); 
    font-size: 1rem;
}

/* ===== Today's Meals Timeline ===== */
.meals-timeline {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.meal-timeline-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    animation: slideInRight 0.3s ease;
}

.meal-timeline-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-green-dim);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.meal-time-badge {
    background: var(--accent-green-dim);
    color: var(--accent-green);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.meal-time-badge.breakfast { background: var(--accent-amber-dim); color: var(--accent-amber); }
.meal-time-badge.lunch { background: var(--accent-blue-dim); color: var(--accent-blue); }
.meal-time-badge.dinner { background: var(--accent-purple-dim); color: var(--accent-purple); }
.meal-time-badge.snack { background: var(--accent-green-dim); color: var(--accent-green); }

.meal-item-info { flex: 1; }
.meal-item-info h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); }
.meal-item-info p { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

.meal-item-cal {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent-amber);
}

.meal-item-delete {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    font-size: 1rem;
}

.meal-item-delete:hover {
    background: var(--accent-coral-dim);
    color: var(--accent-coral);
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state.small { padding: 20px; }

.empty-state i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    opacity: 0.4;
    display: block;
}

.empty-state p { font-size: 0.85rem; }

/* ===== Nutrient Heatmap ===== */
.heatmap-grid {
    display: grid;
    grid-template-columns: 100px repeat(7, 1fr);
    gap: 4px;
}

.heatmap-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    font-weight: 600;
}

.heatmap-day-label {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-align: center;
    font-weight: 600;
    padding: 4px;
}

.heatmap-cell {
    aspect-ratio: 1;
    border-radius: 6px;
    transition: var(--transition-fast);
    cursor: default;
    position: relative;
    min-height: 32px;
}

.heatmap-cell:hover { transform: scale(1.1); }

.heatmap-cell[data-level="0"] { background: var(--bg-glass); }
.heatmap-cell[data-level="1"] { background: rgba(16, 185, 129, 0.15); }
.heatmap-cell[data-level="2"] { background: rgba(16, 185, 129, 0.3); }
.heatmap-cell[data-level="3"] { background: rgba(16, 185, 129, 0.5); }
.heatmap-cell[data-level="4"] { background: rgba(16, 185, 129, 0.75); }
.heatmap-cell[data-level="5"] { background: var(--accent-green); }

/* ===== Meal Tracker Page ===== */
.meal-tracker-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.meal-logger-card, .meal-history-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.meal-logger-card h3, .meal-history-card h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.meal-type-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.meal-type-btn {
    padding: 10px 8px;
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: var(--transition-fast);
}

.meal-type-btn i { font-size: 1.1rem; }

.meal-type-btn:hover { border-color: var(--accent-green); }

.meal-type-btn.active {
    background: var(--accent-green-dim);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.search-wrapper {
    position: relative;
}

.search-wrapper > i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
    z-index: 1;
}

.search-wrapper .form-input {
    padding-left: 40px;
}

.search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    max-height: 240px;
    overflow-y: auto;
    z-index: 100;
    display: none;
    box-shadow: var(--shadow-lg);
}

.search-dropdown.active { display: block; }

.search-result-item {
    padding: 10px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-fast);
    border-bottom: 1px solid var(--border-color);
}

.search-result-item:last-child { border-bottom: none; }

.search-result-item:hover {
    background: var(--bg-glass-hover);
}

.search-result-item .food-name {
    font-weight: 600;
    font-size: 0.85rem;
}

.search-result-item .food-cal {
    font-size: 0.75rem;
    color: var(--accent-amber);
    font-weight: 600;
}

/* Selected Food Info */
.selected-food-info {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
    animation: scaleIn 0.3s ease;
}

.food-info-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.food-info-header h4 { font-size: 1rem; }

.food-score-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.food-score-badge.high { background: var(--accent-green-dim); color: var(--accent-green); }
.food-score-badge.medium { background: var(--accent-amber-dim); color: var(--accent-amber); }
.food-score-badge.low { background: var(--accent-coral-dim); color: var(--accent-coral); }

.food-macros-mini {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.macro-mini {
    text-align: center;
    padding: 8px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.macro-mini-val {
    display: block;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.macro-mini span:last-child {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Meal Log List */
.meal-log-list {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.meal-log-totals {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.meal-log-totals h4 {
    font-size: 0.9rem;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.totals-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.total-item {
    text-align: center;
    padding: 10px;
    background: var(--bg-glass);
    border-radius: var(--radius-sm);
}

.total-val {
    display: block;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--accent-green);
}

.total-item span:last-child {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* ===== Meal Planner ===== */
.planner-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 12px;
}

.planner-day {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
    min-height: 260px;
    transition: var(--transition-base);
}

.planner-day:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.planner-day-header {
    text-align: center;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.planner-day-header h4 {
    font-size: 0.85rem;
    font-weight: 700;
}

.planner-day-header small {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.planner-day.today .planner-day-header h4 {
    color: var(--accent-green);
}

.planner-meals {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.planner-meal-slot {
    padding: 8px 10px;
    background: var(--bg-glass);
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    transition: var(--transition-fast);
    cursor: pointer;
}

.planner-meal-slot:hover {
    background: var(--bg-glass-hover);
}

.planner-meal-slot .slot-type {
    font-weight: 700;
    color: var(--accent-green);
    display: block;
    margin-bottom: 2px;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.planner-meal-slot .slot-food {
    color: var(--text-secondary);
}

/* ===== Recipes ===== */
.recipes-filter {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 18px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.filter-btn.active {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: #fff;
}

.recipes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.recipe-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-base);
    cursor: pointer;
}

.recipe-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-glow);
}

.recipe-image {
    height: 170px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
}

.recipe-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(transparent, var(--bg-card));
}

.recipe-tags {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    gap: 4px;
    z-index: 1;
}

.recipe-tag {
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.recipe-tag.vegan { background: var(--accent-green-dim); color: var(--accent-green); }
.recipe-tag.high-protein { background: var(--accent-purple-dim); color: var(--accent-purple); }
.recipe-tag.low-cal { background: var(--accent-blue-dim); color: var(--accent-blue); }

.recipe-content {
    padding: 16px;
}

.recipe-content h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.recipe-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.recipe-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.72rem;
    color: var(--text-muted);
}

.recipe-meta span i { color: var(--accent-green); font-size: 0.7rem; }

.recipe-macros-bar {
    display: flex;
    gap: 6px;
}

.recipe-macro {
    flex: 1;
    text-align: center;
    padding: 6px;
    background: var(--bg-glass);
    border-radius: var(--radius-sm);
    font-size: 0.68rem;
    color: var(--text-muted);
}

.recipe-macro strong {
    display: block;
    font-size: 0.85rem;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
}

/* Recipe Detail */
.recipe-detail-modal {
    max-width: 640px;
    max-height: 85vh;
}

.recipe-detail-header {
    margin-bottom: 20px;
}

.recipe-detail-header h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.recipe-detail-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.recipe-detail-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.recipe-detail-meta span i { color: var(--accent-green); }

.recipe-detail-macros {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.recipe-detail-macro {
    text-align: center;
    padding: 12px;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
}

.recipe-detail-macro .val {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    display: block;
}

.recipe-detail-macro .label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.recipe-detail-section {
    margin-bottom: 20px;
}

.recipe-detail-section h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--accent-green);
}

.recipe-detail-section ul {
    list-style: none;
    padding: 0;
}

.recipe-detail-section li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.recipe-detail-section li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

.recipe-detail-section ol {
    padding-left: 20px;
}

.recipe-detail-section ol li {
    padding: 6px 0;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.recipe-detail-section ol li::before { display: none; }

/* ===== Food Compare ===== */
.compare-layout {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: start;
}

.compare-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.compare-card h3 {
    margin-bottom: 16px;
    font-size: 1rem;
}

.compare-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
}

.compare-vs span {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.compare-info {
    margin-top: 16px;
}

.compare-nutrient-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.compare-nutrient-row:last-child { border-bottom: none; }

.compare-nutrient-row .nutrient-name { color: var(--text-secondary); }
.compare-nutrient-row .nutrient-val { font-weight: 700; font-family: 'Outfit', sans-serif; }

.compare-chart-container {
    margin-top: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

/* ===== Water Tracker ===== */
.water-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.water-bottle-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.water-bottle {
    width: 120px;
    height: 240px;
    border: 3px solid var(--accent-blue);
    border-radius: 0 0 24px 24px;
    position: relative;
    overflow: hidden;
    margin-bottom: 24px;
    background: rgba(59, 130, 246, 0.05);
}

.water-bottle::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 12px;
    border: 3px solid var(--accent-blue);
    border-bottom: none;
    border-radius: 8px 8px 0 0;
}

.water-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(180deg, rgba(59, 130, 246, 0.6), rgba(6, 182, 212, 0.8));
    transition: height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0 0 20px 20px;
}

.water-wave {
    position: absolute;
    top: -8px;
    left: -10%;
    width: 120%;
    height: 20px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120'%3E%3Cpath d='M0 60c200-40 400 40 600 0s400-40 600 0v60H0z' fill='rgba(59,130,246,0.3)'/%3E%3C/svg%3E") repeat-x;
    animation: wave 2s linear infinite;
}

@keyframes wave {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.water-marks {
    position: absolute;
    right: 8px;
    top: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 10px 0;
}

.water-marks span {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 600;
}

.water-count {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.water-count span { color: var(--accent-blue); font-size: 2rem; }

.water-buttons {
    display: flex;
    gap: 16px;
}

.water-history-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.water-history-card h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.water-log {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.water-log-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--bg-glass);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
}

.water-log-item i { color: var(--accent-blue); }
.water-log-item .water-time { color: var(--text-muted); margin-left: auto; font-size: 0.72rem; }

/* ===== BMI Calculator ===== */
.bmi-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.bmi-input-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.bmi-result-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    animation: scaleIn 0.4s ease;
}

.bmi-gauge {
    position: relative;
    margin-bottom: 24px;
}

.bmi-scale {
    display: flex;
    height: 12px;
    border-radius: 8px;
    overflow: hidden;
}

.bmi-zone {
    flex: 1;
    font-size: 0;
}

.bmi-zone.underweight { background: var(--accent-blue); }
.bmi-zone.normal { background: var(--accent-green); }
.bmi-zone.overweight { background: var(--accent-amber); }
.bmi-zone.obese { background: var(--accent-coral); }

.bmi-pointer {
    position: absolute;
    top: -6px;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: #fff;
    border: 3px solid var(--accent-green);
    transform: translateX(-50%);
    transition: left 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.bmi-value-display {
    text-align: center;
    margin-bottom: 16px;
}

.bmi-number {
    font-family: 'Outfit', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.bmi-category {
    font-size: 1rem;
    font-weight: 700;
    display: block;
    margin-top: 4px;
}

.bmi-advice {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* ===== Achievements ===== */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.achievement-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.achievement-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.achievement-card.locked {
    opacity: 0.5;
}

.achievement-card.unlocked {
    border-color: var(--accent-amber);
}

.achievement-card.unlocked::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: radial-gradient(circle at center, var(--accent-amber-dim), transparent 70%);
}

.achievement-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    background: var(--bg-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 1.5rem;
    position: relative;
    z-index: 1;
}

.achievement-card.unlocked .achievement-icon {
    background: var(--accent-amber-dim);
    color: var(--accent-amber);
    animation: pulse 2s infinite;
}

.achievement-card h4 {
    font-size: 0.9rem;
    margin-bottom: 4px;
    position: relative;
    z-index: 1;
}

.achievement-card p {
    font-size: 0.72rem;
    color: var(--text-muted);
    position: relative;
    z-index: 1;
}

.achievement-lock {
    position: absolute;
    top: 10px;
    right: 10px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ===== Mood Tracker ===== */
.mood-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.mood-input-card, .mood-history-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.mood-input-card h3, .mood-history-card h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.mood-selector {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px;
}

.mood-btn {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-bounce);
}

.mood-btn:hover {
    transform: scale(1.15);
    border-color: var(--accent-green);
}

.mood-btn.active {
    border-color: var(--accent-green);
    background: var(--accent-green-dim);
    color: var(--accent-green);
    transform: scale(1.15);
}

.energy-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    outline: none;
}

.energy-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background: var(--accent-green);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.energy-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 6px;
}

#energy-value {
    font-weight: 700;
    color: var(--accent-green);
}

.mood-history {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 500px;
    overflow-y: auto;
}

.mood-entry {
    padding: 12px 16px;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    animation: slideInRight 0.3s ease;
}

.mood-entry-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.mood-entry-mood {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.mood-entry-mood i { font-size: 1.2rem; }

.mood-entry-date {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.mood-entry-details {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.mood-entry-details span {
    font-weight: 600;
    color: var(--accent-green);
}

/* ===== Settings ===== */
.settings-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.settings-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.settings-card h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.settings-card h3 i { color: var(--accent-green); }

.text-muted { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 16px; }

.settings-card .btn { margin: 4px; }

/* ===== FAB ===== */
.fab {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: #fff;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 24px rgba(16, 185, 129, 0.4);
    z-index: 200;
    transition: var(--transition-bounce);
    border: none;
}

.fab:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 6px 32px rgba(16, 185, 129, 0.5);
}

/* ===== Toast ===== */
.toast-container {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.toast {
    padding: 14px 24px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.4s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast.success { border-color: var(--accent-green); }
.toast.success i { color: var(--accent-green); }
.toast.error { border-color: var(--accent-coral); }
.toast.error i { color: var(--accent-coral); }
.toast.info { border-color: var(--accent-blue); }
.toast.info i { color: var(--accent-blue); }

.toast.hiding { animation: toastOut 0.3s ease forwards; }

@keyframes toastIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes toastOut {
    to { transform: translateY(20px); opacity: 0; }
}


/* ===== Premium Enhancements ===== */
.dashboard-hero {
    display: grid;
    grid-template-columns: 1.8fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

.hero-main-card,
.hero-side-card,
.compact-card,
.quick-food-panel,
.mini-panel,
.planner-toolbar {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: var(--transition-base);
}

.hero-main-card {
    padding: 32px;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at top right, rgba(16,185,129,0.08), transparent 32%),
        var(--bg-card);
}

.hero-main-card:hover,
.hero-side-card:hover {
    border-color: var(--accent-green-dim);
    box-shadow: var(--shadow-md);
}

.hero-main-card::after {
    content: '';
    position: absolute;
    inset: auto -40px -60px auto;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(16,185,129,0.05);
    filter: blur(10px);
}

.eyebrow-badge,
.hero-goal-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.eyebrow-badge {
    color: var(--accent-green);
    margin-bottom: 16px;
}

.hero-main-card h2 {
    font-size: 2.1rem;
    margin-bottom: 12px;
    max-width: 14ch;
    color: var(--text-primary);
    font-weight: 700;
}

.hero-main-card p {
    color: var(--text-secondary);
    max-width: 60ch;
    line-height: 1.6;
}

.hero-goal-row,
.hero-actions,
.planner-actions,
.quick-food-columns,
.hydration-extra-grid,
.insights-grid {
    display: grid;
    gap: 16px;
}

.hero-goal-row {
    grid-template-columns: repeat(2, max-content);
    margin: 20px 0;
}

.hero-actions {
    grid-template-columns: repeat(3, max-content);
}

.hero-side-card {
    padding: 24px;
    display: grid;
    gap: 16px;
    background: var(--bg-card);
}

.hero-mini-stat,
.snapshot-item,
.insight-item,
.checklist-item,
.hydration-state,
.mini-list-item,
.shopping-item {
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.hero-mini-stat {
    padding: 16px 18px;
}

.hero-mini-stat:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-green-dim);
}

.hero-mini-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.hero-mini-stat strong {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.insights-grid {
    grid-template-columns: repeat(3, 1fr);
    margin-bottom: 20px;
}

.compact-card {
    padding: 18px;
}

.checklist-list,
.insight-list,
.snapshot-list,
.shopping-list {
    display: grid;
    gap: 12px;
}

.checklist-item,
.insight-item,
.snapshot-item,
.shopping-item,
.hydration-state {
    padding: 14px 16px;
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.checklist-item i {
    width: 20px;
    text-align: center;
}

.checklist-item.done {
    border-color: rgba(16,185,129,0.25);
    background: rgba(16,185,129,0.1);
}

.checklist-item.pending {
    border-color: rgba(245,158,11,0.2);
}

.insight-item strong,
.snapshot-item strong,
.shopping-item strong,
.hydration-state strong {
    display: block;
    margin-bottom: 4px;
    font-size: 0.95rem;
}

.insight-item p,
.snapshot-item p,
.shopping-item p,
.hydration-state p {
    color: var(--text-secondary);
    font-size: 0.86rem;
}

.quick-food-panel,
.mini-panel {
    padding: 18px;
    margin-top: 16px;
}

.quick-food-columns {
    grid-template-columns: 1fr 1fr;
    margin-top: 16px;
}

.panel-subheader {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.panel-subheader h4,
.panel-subheader h3 {
    margin: 0;
}

.chip-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.quick-chip {
    border: 1px solid var(--border-color);
    background: var(--bg-glass);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 999px;
    transition: var(--transition-fast);
    font-weight: 600;
    font-size: 0.86rem;
}

.quick-chip:hover {
    transform: translateY(-1px);
    border-color: var(--accent-green);
    background: var(--accent-green-dim);
}

.mini-list {
    display: grid;
    gap: 10px;
}

.mini-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 11px 12px;
}

.mini-list-item button {
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
}

.selected-food-actions {
    margin-bottom: 12px;
}

.history-subheader {
    margin-bottom: 12px;
}

.planner-toolbar {
    padding: 16px 18px;
    margin-bottom: 16px;
    grid-template-columns: 1fr auto;
    align-items: center;
}

.planner-note {
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.planner-shopping-card {
    margin-top: 18px;
}

.shopping-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.shopping-item .shopping-badge {
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 0.76rem;
    font-weight: 700;
    background: var(--accent-green-dim);
    color: var(--accent-green);
}

.hydration-extra-grid {
    grid-template-columns: 1.1fr 1fr;
    margin-top: 18px;
}

.hydration-status {
    display: grid;
    gap: 12px;
}

.hydration-meter {
    width: 100%;
    height: 12px;
    border-radius: 999px;
    background: var(--bg-tertiary);
    overflow: hidden;
    margin: 10px 0 4px;
}

.hydration-meter-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: inherit;
    transition: var(--transition-base);
}

.mood-summary-card {
    margin-top: 18px;
}

.preference-list {
    display: grid;
    gap: 14px;
    margin-bottom: 16px;
}

.pref-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.pref-toggle strong {
    display: block;
    margin-bottom: 4px;
}

.pref-toggle p {
    color: var(--text-secondary);
    font-size: 0.84rem;
}

.pref-toggle input {
    width: 20px;
    height: 20px;
    accent-color: var(--accent-green);
}

.settings-card .text-muted {
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.fade-pop {
    animation: fadePop 0.35s ease;
}

@keyframes fadePop {
    from { transform: translateY(10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

html.reduce-motion,
html.reduce-motion body {
    scroll-behavior: auto !important;
}

html.reduce-motion *,
html.reduce-motion *::before,
html.reduce-motion *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
}

html.large-text {
    font-size: 17px;
}

body.particles-off .particles-bg {
    display: none;
}

@media (max-width: 1100px) {
    .dashboard-hero,
    .hydration-extra-grid,
    .insights-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions,
    .planner-toolbar {
        grid-template-columns: 1fr;
    }

    .hero-goal-row {
        grid-template-columns: 1fr;
    }
    
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .charts-grid { grid-template-columns: 1fr; }
    .chart-wide { grid-column: 1; }
    .recipes-grid { grid-template-columns: repeat(2, 1fr); }
    .achievements-grid { grid-template-columns: repeat(3, 1fr); }
    .planner-grid { grid-template-columns: repeat(4, 1fr); }
    
    .chart-container-wrapper {
        height: 340px;
    }
}

@media (max-width: 700px) {
    .quick-food-columns {
        grid-template-columns: 1fr;
    }

    .hero-actions,
    .planner-actions {
        grid-template-columns: 1fr;
    }

    .hero-main-card h2 {
        font-size: 1.5rem;
    }
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
        position: fixed;
        z-index: 1000;
    }

    .sidebar.mobile-open {
        transform: translateX(0);
        width: var(--sidebar-width);
    }

    .sidebar.mobile-open .logo-text { display: inline; }
    .sidebar.mobile-open .nav-item span { display: inline; }
    .sidebar.mobile-open .streak-badge small { display: inline; }

    .main-content { margin-left: 0; }
    .mobile-menu-btn { display: flex; }

    .meal-tracker-layout { grid-template-columns: 1fr; }
    .compare-layout { grid-template-columns: 1fr; }
    .compare-vs { padding-top: 0; }
    .water-layout { grid-template-columns: 1fr; }
    .bmi-layout { grid-template-columns: 1fr; }
    .mood-layout { grid-template-columns: 1fr; }
    .settings-layout { grid-template-columns: 1fr; }
    .planner-grid { grid-template-columns: repeat(3, 1fr); }
    .recipes-grid { grid-template-columns: 1fr 1fr; }

    .topbar { padding: 0 16px; }
    .pages-container { padding: 16px; }
    .tip-banner { margin: 12px 16px 0; }
}

@media (max-width: 600px) {
    .stats-grid { grid-template-columns: 1fr; }
    .charts-grid { grid-template-columns: 1fr; }
    .recipes-grid { grid-template-columns: 1fr; }
    .achievements-grid { grid-template-columns: repeat(2, 1fr); }
    .planner-grid { grid-template-columns: 1fr 1fr; }
    .meal-type-selector { grid-template-columns: repeat(2, 1fr); }
    .food-macros-mini { grid-template-columns: repeat(2, 1fr); }
    .goal-options { grid-template-columns: 1fr; }
    .totals-grid { grid-template-columns: repeat(2, 1fr); }

    .greeting h1 { font-size: 1rem; }
    .daily-score-pill { display: none; }
}

/* ===== Print hidden ===== */
@media print {
    .sidebar, .topbar, .fab, .toast-container, .tip-banner { display: none !important; }
    .main-content { margin-left: 0 !important; }
}