/**
 * ═══════════════════════════════════════════════════════════════════
 * LIGHT MINIMAL MODERN THEME
 * Ultra Clean, Minimalist, Modern Design System
 * ═══════════════════════════════════════════════════════════════════
 */

:root[data-theme="light"] {
    /* ═══════════════════════════════════════════════════════════════
       🎨 COLOR PALETTE - LIGHT MINIMAL
       ═══════════════════════════════════════════════════════════════ */
    
    /* Background Colors - Clean Whites & Soft Grays */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-elevated: #ffffff;
    --bg-overlay: rgba(255, 255, 255, 0.95);
    
    /* Glassmorphism - Subtle & Clean */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-bg-light: rgba(255, 255, 255, 0.7);
    --glass-bg-strong: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(0, 0, 0, 0.06);
    --glass-border-strong: rgba(0, 0, 0, 0.1);
    
    /* Text Colors - High Contrast */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --text-muted: #94a3b8;
    --text-disabled: #cbd5e1;
    --text-inverse: #ffffff;
    
    /* Accent Colors - Vibrant but Subtle */
    --color-primary: #3b82f6;
    --color-primary-light: #60a5fa;
    --color-primary-dark: #2563eb;
    
    --color-accent: #8b5cf6;
    --color-accent-light: #a78bfa;
    --color-accent-dark: #7c3aed;
    
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #06b6d4;
    
    /* Border Colors */
    --border-color: rgba(0, 0, 0, 0.08);
    --border-color-light: rgba(0, 0, 0, 0.04);
    --border-color-strong: rgba(0, 0, 0, 0.12);
    
    /* Shadows - Soft & Subtle */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.06);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.08);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    
    /* 3D Button Shadows */
    --shadow-3d: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 
                 0 2px 4px -1px rgba(0, 0, 0, 0.06),
                 inset 0 1px 0 rgba(255, 255, 255, 0.8);
    --shadow-3d-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.12), 
                       0 4px 6px -2px rgba(0, 0, 0, 0.08),
                       inset 0 1px 0 rgba(255, 255, 255, 0.9);
    --shadow-3d-active: 0 2px 4px -1px rgba(0, 0, 0, 0.08),
                        inset 0 2px 4px rgba(0, 0, 0, 0.1);
    
    /* Gradients - Subtle */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-accent: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --gradient-soft: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

/* ═══════════════════════════════════════════════════════════════
   🎯 BASE STYLES - MINIMAL & CLEAN
   ═══════════════════════════════════════════════════════════════ */

body[data-theme="light"] {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #f1f5f9 100%);
    background-attachment: fixed;
    color: var(--text-primary);
}

body[data-theme="light"] .app-shell {
    background: transparent;
}

/* ═══════════════════════════════════════════════════════════════
   🔘 3D BUTTONS - SMOOTH & MODERN
   ═══════════════════════════════════════════════════════════════ */

body[data-theme="light"] .button-3d,
body[data-theme="light"] button.primary,
body[data-theme="light"] button.secondary,
body[data-theme="light"] .nav-button,
body[data-theme="light"] .status-pill {
    position: relative;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-3d);
    transform: translateY(0);
    overflow: hidden;
}

body[data-theme="light"] .button-3d::before,
body[data-theme="light"] button.primary::before,
body[data-theme="light"] button.secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), transparent);
    border-radius: 12px 12px 0 0;
    pointer-events: none;
    opacity: 0.8;
}

body[data-theme="light"] .button-3d:hover,
body[data-theme="light"] button.primary:hover,
body[data-theme="light"] button.secondary:hover,
body[data-theme="light"] .nav-button:hover {
    box-shadow: var(--shadow-3d-hover);
    border-color: var(--border-color-strong);
}

body[data-theme="light"] .button-3d:active,
body[data-theme="light"] button.primary:active,
body[data-theme="light"] button.secondary:active,
body[data-theme="light"] .nav-button:active {
    box-shadow: var(--shadow-3d-active);
    transition: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}

body[data-theme="light"] button.primary {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    border: none;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

body[data-theme="light"] button.primary:hover {
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

body[data-theme="light"] button.secondary {
    background: var(--bg-elevated);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

/* ═══════════════════════════════════════════════════════════════
   📊 CARDS - MINIMAL GLASS
   ═══════════════════════════════════════════════════════════════ */

body[data-theme="light"] .glass-card,
body[data-theme="light"] .stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body[data-theme="light"] .glass-card:hover,
body[data-theme="light"] .stat-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--glass-border-strong);
}

/* ═══════════════════════════════════════════════════════════════
   🎚️ SLIDER - SMOOTH WITH FEEDBACK
   ═══════════════════════════════════════════════════════════════ */

body[data-theme="light"] .slider-container {
    position: relative;
    padding: 20px 0;
}

body[data-theme="light"] .slider-track {
    position: relative;
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
}

body[data-theme="light"] .slider-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 10px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
}

body[data-theme="light"] .slider-thumb {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: var(--bg-elevated);
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    cursor: grab;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15),
                0 0 0 4px rgba(59, 130, 246, 0.1);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body[data-theme="light"] .slider-thumb:hover {
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2),
                0 0 0 6px rgba(59, 130, 246, 0.15);
}

body[data-theme="light"] .slider-thumb:active {
    cursor: grabbing;
    transform: translate(-50%, -50%) scale(1.1);
}

/* ═══════════════════════════════════════════════════════════════
   🎭 MICRO ANIMATIONS
   ═══════════════════════════════════════════════════════════════ */

@keyframes micro-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-2px); }
}

@keyframes micro-scale {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes micro-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes shimmer-light {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

body[data-theme="light"] .micro-bounce {
    animation: micro-bounce 0.6s ease-in-out;
}

body[data-theme="light"] .micro-scale {
    animation: micro-scale 0.4s ease-in-out;
}

body[data-theme="light"] .micro-rotate {
    animation: micro-rotate 1s linear infinite;
}

/* ═══════════════════════════════════════════════════════════════
   📱 SIDEBAR - MINIMAL
   ═══════════════════════════════════════════════════════════════ */

body[data-theme="light"] .sidebar {
    background: linear-gradient(180deg, 
        #ffffff 0%, 
        rgba(219, 234, 254, 0.3) 20%,
        rgba(221, 214, 254, 0.25) 40%,
        rgba(251, 207, 232, 0.2) 60%,
        rgba(221, 214, 254, 0.25) 80%,
        rgba(251, 207, 232, 0.15) 90%,
        #ffffff 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.08), inset -1px 0 0 rgba(255, 255, 255, 0.5);
}

body[data-theme="light"] .nav-button {
    background: transparent;
    border: none;
    border-radius: 10px;
    padding: 12px 16px;
    margin: 4px 0;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body[data-theme="light"] .nav-button:hover {
    background: var(--bg-tertiary);
}

body[data-theme="light"] .nav-button.active {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
}

/* ═══════════════════════════════════════════════════════════════
   🎨 HEADER - CLEAN
   ═══════════════════════════════════════════════════════════════ */

body[data-theme="light"] .modern-header,
body[data-theme="light"] .topbar {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
}

/* ═══════════════════════════════════════════════════════════════
   📊 STATS & METRICS
   ═══════════════════════════════════════════════════════════════ */

body[data-theme="light"] .stat-value {
    color: var(--text-primary);
    font-weight: 700;
}

body[data-theme="light"] .stat-label {
    color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════════════════
   🎯 SMOOTH TRANSITIONS
   ═══════════════════════════════════════════════════════════════ */

body[data-theme="light"] * {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ═══════════════════════════════════════════════════════════════
   📋 MENU SYSTEM - COMPLETE IMPLEMENTATION
   ═══════════════════════════════════════════════════════════════ */

/* Dropdown Menu */
body[data-theme="light"] .menu-dropdown {
    position: absolute;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
    pointer-events: none;
    z-index: 1000;
}

body[data-theme="light"] .menu-dropdown.menu-open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

body[data-theme="light"] .menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-primary);
    font-size: 0.875rem;
}

body[data-theme="light"] .menu-item:hover {
    background: var(--bg-tertiary);
}

body[data-theme="light"] .menu-item.menu-item-active {
    background: var(--gradient-primary);
    color: var(--text-inverse);
}

body[data-theme="light"] .menu-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

body[data-theme="light"] .menu-item.disabled:hover {
    background: transparent;
    transform: none;
}

/* Context Menu */
body[data-theme="light"] [data-context-menu-target] {
    position: fixed;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    box-shadow: var(--shadow-xl);
    min-width: 180px;
    opacity: 0;
    transform: scale(0.9);
    pointer-events: none;
    z-index: 10000;
}

body[data-theme="light"] [data-context-menu-target].context-menu-open {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

/* Mobile Menu */
body[data-theme="light"] [data-mobile-menu] {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 9999;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body[data-theme="light"] [data-mobile-menu].mobile-menu-open {
    transform: translateX(0);
}

/* Submenu */
body[data-theme="light"] .submenu {
    position: absolute;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    opacity: 0;
    transform: translateX(-10px);
    pointer-events: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body[data-theme="light"] .submenu.submenu-open {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

/* Menu Separator */
body[data-theme="light"] .menu-separator {
    height: 1px;
    background: var(--border-color);
    margin: 8px 0;
}

/* Menu Icon */
body[data-theme="light"] .menu-item-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Menu Badge */
body[data-theme="light"] .menu-item-badge {
    margin-left: auto;
    padding: 2px 8px;
    background: var(--color-primary);
    color: var(--text-inverse);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════════
   🔄 FEEDBACK ANIMATIONS
   ═══════════════════════════════════════════════════════════════ */

body[data-theme="light"] .feedback-pulse {
    animation: feedback-pulse 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes feedback-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

body[data-theme="light"] .feedback-ripple {
    position: relative;
    overflow: hidden;
}

body[data-theme="light"] .feedback-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

body[data-theme="light"] .feedback-ripple:active::after {
    width: 300px;
    height: 300px;
}