/* =========================
   THEME VARIABLES - LIGHT MODE (DEFAULT)
   ========================= */
:root {
    --accent-primary: #10B981;
    --accent-secondary: #0F766E;
    --accent-glow: rgba(16, 185, 129, 0.25);
    
    --bg-primary: #f1f5f9;
    --bg-secondary: #e2e8f0;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-inverse: #0f172a;
    
    --border-color: rgba(0, 0, 0, 0.1);
    --border-light: rgba(0, 0, 0, 0.05);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.15);
    
    --card-gradient: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(248, 250, 252, 0.85));
    --glass-blur: 16px;
}

[data-theme="dark"] {
    --accent-primary: #14b8a6;
    --accent-secondary: #2dd4bf;
    --accent-glow: rgba(20, 184, 166, 0.4);
    
    --bg-primary: #0a1628;
    --bg-secondary: #112240;
    --bg-card: rgba(17, 34, 64, 0.85);
    --bg-card-hover: rgba(30, 58, 95, 0.9);
    
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-inverse: #f1f5f9;
    
    --border-color: rgba(20, 184, 166, 0.2);
    --border-light: rgba(20, 184, 166, 0.1);
    
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
    
    --card-gradient: linear-gradient(165deg, rgba(17, 34, 64, 0.92), rgba(10, 22, 40, 0.95));
    --glass-blur: 24px;
}

body {
    background: transparent;
}

/* =========================
   GLASS CARD
   ========================= */
.glass-card {
    background: var(--card-gradient);
    backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .glass-card {
    background: linear-gradient(165deg, rgba(20, 40, 70, 0.92), rgba(15, 35, 60, 0.88));
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4), 
                0 0 60px rgba(20, 184, 166, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(20, 184, 166, 0.15);
}

[data-theme="light"] .glass-card {
    background: linear-gradient(165deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 0.9));
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1), 
                0 0 40px rgba(16, 185, 129, 0.08),
                inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* =========================
   TEXT COLORS
   ========================= */
.glass-card h1,
.glass-card h2,
.glass-card h3,
.glass-card h4 {
    color: var(--text-inverse) !important;
    text-shadow: none !important;
}

[data-theme="dark"] .glass-card h1,
[data-theme="dark"] .glass-card h2,
[data-theme="dark"] .glass-card h3,
[data-theme="dark"] .glass-card h4 {
    color: #ffffff !important;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="light"] .glass-card h1,
[data-theme="light"] .glass-card h2,
[data-theme="light"] .glass-card h3,
[data-theme="light"] .glass-card h4 {
    color: #1e293b !important;
}

.glass-card p,
.glass-card .text-gray-300,
.glass-card .text-gray-400,
.glass-card .text-gray-500 {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .glass-card p,
[data-theme="light"] .glass-card .text-gray-300,
[data-theme="light"] .glass-card .text-gray-400,
[data-theme="light"] .glass-card .text-gray-500 {
    color: #475569 !important;
}

/* =========================
   FLOW LINE
   ========================= */
.flow-line {
    background: rgba(255, 255, 255, 0.1);
    height: 4px;
    border-radius: 9999px;
}

[data-theme="light"] .flow-line {
    background: rgba(0, 0, 0, 0.1);
}

.flow-line-progress {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    box-shadow: 0 0 15px var(--accent-glow);
    height: 100%;
    border-radius: 9999px;
    transition: width 0.5s ease;
}

/* =========================
   STEP CIRCLE
   ========================= */
.step-circle {
    background: rgba(30, 41, 59, 0.8);
    border: 2px solid rgba(100, 116, 139, 0.5);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

[data-theme="light"] .step-circle {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(0, 0, 0, 0.1);
    color: #1e293b;
}

[data-theme="dark"] .step-circle {
    color: #ffffff;
}

.step-circle.completed {
    background: #10b981;
    border-color: #10b981;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
    color: white;
}

.step-circle.active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

[data-theme="light"] .step-circle.active {
    border-color: #10B981;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.3);
}

/* =========================
   TASK ITEM
   ========================= */
.task-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1rem;
    transition: all 0.3s ease;
}

[data-theme="light"] .task-item {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .task-item {
    background: rgba(30, 58, 95, 0.5);
    border: 1px solid rgba(20, 184, 166, 0.1);
}

.task-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-glow);
}

[data-theme="light"] .task-item:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(16, 185, 129, 0.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.task-item.completed {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
}

/* =========================
   CHECKBOX
   ========================= */
.checkbox-custom {
    width: 22px;
    height: 22px;
    border: 2px solid rgba(100, 116, 139, 0.5);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: transparent;
}

[data-theme="light"] .checkbox-custom {
    border-color: rgba(0, 0, 0, 0.2);
}

.checkbox-custom:hover {
    border-color: var(--accent-primary);
    background: var(--accent-glow);
}

[data-theme="light"] .checkbox-custom:hover {
    border-color: #10B981;
}

.checkbox-custom.checked {
    background: #10b981;
    border-color: #10b981;
}

.checkbox-custom.checked::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: white;
    font-size: 12px;
}

/* =========================
   STAT CARD
   ========================= */
.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

[data-theme="light"] .stat-card::before {
    background: linear-gradient(90deg, #10B981, #0F766E);
}

[data-theme="light"] .stat-card {
    background: rgba(255, 255, 255, 0.8);
}

[data-theme="light"] .stat-card h3 {
    color: #1e293b !important;
}

/* =========================
   FINISH BUTTON
   ========================= */
.finish-btn {
    background: linear-gradient(135deg, #10b981, #059669);
    transition: all 0.3s ease;
    border: none;
    color: white;
    cursor: pointer;
}

.finish-btn:hover:not(:disabled) {
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.4);
}

.finish-btn:disabled {
    background: rgba(71, 85, 105, 0.5);
    cursor: not-allowed;
}

[data-theme="light"] .finish-btn:disabled {
    background: rgba(156, 163, 175, 0.5);
}

/* =========================
   PROGRESS RING
   ========================= */
.progress-ring {
    transform: rotate(-90deg);
}

[data-theme="light"] .progress-ring circle:first-child {
    stroke: rgba(0, 0, 0, 0.1);
}

/* =========================
   CATEGORY HEADER
   ========================= */
.category-header {
    background: linear-gradient(90deg, rgba(139, 92, 246, 0.1), transparent);
    border-left: 3px solid var(--accent-primary);
    padding: 0.75rem 1rem;
    border-radius: 0 0.5rem 0.5rem 0;
}

[data-theme="light"] .category-header {
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.08), transparent);
    border-left-color: #10B981;
}

/* =========================
   PULSE DOT
   ========================= */
.pulse-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
    flex-shrink: 0;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

/* =========================
   EMPTY STATE
   ========================= */
.empty-state {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* =========================
   CONGRATS MODAL
   ========================= */
#congratsModal .glass-card {
    background: linear-gradient(165deg, rgba(17, 34, 64, 0.98), rgba(10, 22, 40, 0.95));
}

[data-theme="light"] #congratsModal .glass-card {
    background: linear-gradient(165deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.95));
}

/* =========================
   NAVBAR LIGHT MODE
   ========================= */
nav {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.75)) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color) !important;
}

nav a,
nav .font-medium {
    color: #ffffff !important;
}

nav a:hover,
nav .font-medium:hover {
    color: #0F766E !important;
}

[data-theme="light"] nav {
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.95), rgba(15, 118, 110, 0.92)) !important;
    border-bottom: 1px solid rgba(15, 118, 110, 0.3) !important;
}

[data-theme="light"] nav a,
[data-theme="light"] nav .font-medium {
    color: #ffffff !important;
}

[data-theme="light"] nav a:hover,
[data-theme="light"] nav .font-medium:hover {
    color: #ffffff !important;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

[data-theme="light"] nav .text-teal-400 {
    color: #ffffff !important;
}

/* Mobile menu button */
#mobile-menu-btn {
    color: #ffffff !important;
}

/* Theme toggle - matching planner.css */
.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--accent-primary);
    box-shadow: var(--shadow-sm);
}

.theme-toggle:hover {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white !important;
    transform: rotate(20deg) scale(1.05);
    box-shadow: 0 4px 15px var(--accent-glow);
}

[data-theme="dark"] .theme-toggle {
    background: rgba(17, 34, 64, 0.85);
    border: 1px solid rgba(20, 184, 166, 0.2);
    color: #14b8a6;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .theme-toggle {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: #10B981;
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.15), 0 2px 8px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] nav .text-gray-300 {
    color: rgba(255, 255, 255, 0.9) !important;
}

[data-theme="light"] nav .text-gray-300:hover {
    color: #ffffff !important;
}

/* Mobile menu */
.nav-mobile {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.95), rgba(10, 15, 30, 0.98)) !important;
}

[data-theme="light"] .nav-mobile {
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.98), rgba(15, 118, 110, 0.95)) !important;
}

.nav-mobile a,
.nav-mobile .font-medium {
    color: #ffffff !important;
}

.nav-mobile a:hover,
.nav-mobile .font-medium:hover {
    color: #0F766E !important;
}

[data-theme="light"] .nav-mobile a:hover,
[data-theme="light"] .nav-mobile .font-medium:hover {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.2);
}



/* =========================
   CHART CANVAS
   ========================= */
canvas {
    max-width: 100%;
}