/* 
 * Enterprise SaaS Color System - Eye Friendly Theme
 * Softened contrast for reduced eye strain.
 */

:root {
    /* --- Base Hues (Slate Scale - Softened) --- */
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --slate-950: #020617;

    /* --- Brand Colors (Indigo - Softened) --- */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;

    /* --- Semantic Colors --- */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* --- Modern Accents --- */
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-cyan: #06b6d4;
    --accent-indigo: #6366f1;

    /* --- Gradients --- */
    --grad-primary: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 100%);
    --grad-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
    --grad-glow: radial-gradient(circle at 50% 50%, var(--primary-light) 0%, transparent 70%);

    /* --- Light Theme Tokens --- */
    --bg-body: #fdfdfd; /* Even cleaner white */
    --bg-surface: #ffffff;
    --bg-surface-secondary: #f8fafc;
    --bg-surface-tertiary: #f1f5f9;

    --text-primary: #1e293b;  /* Slate 800 */
    --text-secondary: #475569; /* Slate 600 */
    --text-tertiary: #94a3b8;  /* Slate 400 */

    --border-color: #e2e8f0;   /* Slate 200 */
    --border-hover: #cbd5e1;   /* Slate 300 */

    --primary-color: var(--primary-600);
    --primary-hover: var(--primary-700);
    --primary-light: var(--primary-50);
    --primary-glow: rgba(79, 70, 229, 0.15);

    --card-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --card-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --card-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --card-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.5);

    /* Radius Tokens */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Bootstrap Overrides */
    --bs-body-bg: var(--bg-body);
    --bs-body-color: var(--text-primary);
    --bs-border-color: var(--border-color);
    --bs-primary: var(--primary-color);
    --bs-success: var(--success);
    --bs-info: var(--info);
    --bs-warning: var(--warning);
    --bs-danger: var(--danger);
}

/* --- Dark Theme Tokens --- */
[data-theme="dark"] {
    --bg-body: #0f172a; /* Deep slate dark */
    --bg-surface: #1e293b; /* Slate 800 */
    --bg-surface-secondary: #1e293b;
    --bg-surface-tertiary: #334155;

    --text-primary: #f8fafc; /* Slate 50 */
    --text-secondary: #94a3b8; /* Slate 400 */
    --text-tertiary: #64748b;  /* Slate 500 */

    --border-color: #334155;
    --border-hover: #475569;

    --primary-color: #818cf8; /* Indigo 400 for better visibility */
    --primary-hover: #6366f1;
    --primary-light: rgba(129, 140, 248, 0.15);
    --primary-glow: rgba(129, 140, 248, 0.25);

    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.4);

    --glass-bg: rgba(30, 41, 59, 0.8);
    --glass-border: rgba(255, 255, 255, 0.05);

    /* Bootstrap Overrides for Dark Mode */
    --bs-body-bg: var(--bg-body);
    --bs-body-color: var(--text-primary);
    --bs-border-color: var(--border-color);
    --bs-heading-color: var(--text-primary);
    --bs-link-color: #818cf8;
    --bs-link-hover-color: #a5b4fc;
}

/* Global Styles */
body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
}

/* --- Improved Buttons --- */
.btn {
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--grad-primary);
    border: none;
    box-shadow: 0 4px 6px -1px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px var(--primary-glow);
    background: var(--primary-hover);
}

.btn-outline-primary {
    border-width: 2px;
}

.btn-outline-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px var(--primary-glow);
}

/* --- Modern Cards --- */
.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--card-shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
}

/* --- Shared Utility Classes --- */
.bg-surface-secondary {
    background-color: var(--bg-surface-secondary) !important;
}

.glass-card {
    background: var(--bg-surface); /* Fallback */
    background: var(--glass-bg); 
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.text-muted {
    color: var(--text-secondary) !important;
}

/* Theme-aware Semantic Colors */
.text-success { color: var(--text-success) !important; }
.text-warning { color: var(--text-warning) !important; }
.text-danger { color: var(--text-danger) !important; }
.text-info { color: var(--text-info) !important; }
.text-dark { color: var(--text-primary) !important; }
.text-muted { color: var(--text-secondary) !important; }
.text-secondary { color: var(--text-secondary) !important; }

/* Dark Mode Overrides for Bootstrap Utilities */
[data-theme="dark"] .btn-light {
    background-color: var(--bg-surface-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}
[data-theme="dark"] .btn-light:hover {
    background-color: var(--bg-surface-tertiary);
    color: var(--text-primary);
}

[data-theme="dark"] .bg-white {
    background-color: var(--bg-surface) !important;
    color: var(--text-primary);
}
[data-theme="dark"] .bg-light {
    background-color: var(--bg-surface-secondary) !important;
    color: var(--text-primary);
}
[data-theme="dark"] .bg-dark {
    background-color: var(--bg-surface-secondary) !important; /* Avoid pure black */
    color: var(--text-primary);
}
[data-theme="dark"] .border-white {
    border-color: var(--border-color) !important;
}

/* Utilities */
.text-gradient-cyan {
    background: linear-gradient(135deg, var(--community-primary), var(--community-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.hover-primary:hover {
    color: var(--primary-color) !important;
}

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

.transition-all {
    transition: all 0.3s ease;
}

/* Soft Background Utilities */
.bg-primary-soft { background-color: rgba(99, 102, 241, 0.1) !important; }
.bg-secondary-soft { background-color: rgba(100, 116, 139, 0.1) !important; }
.bg-success-soft { background-color: rgba(16, 185, 129, 0.1) !important; }
.bg-warning-soft { background-color: rgba(245, 158, 11, 0.1) !important; }
.bg-danger-soft { background-color: rgba(239, 68, 68, 0.1) !important; }
.bg-info-soft { background-color: rgba(59, 130, 246, 0.1) !important; }
.bg-purple-soft { background-color: rgba(124, 58, 237, 0.1) !important; }
.bg-pink-soft { background-color: rgba(236, 72, 153, 0.1) !important; }

/* Text Utilities */
.text-heading { color: var(--text-primary) !important; font-weight: 600; }
.text-body { color: var(--text-primary) !important; }
.text-body-secondary { color: var(--text-secondary) !important; }

/* Navbar Theming */
.navbar-nav .nav-link {
    color: var(--text-secondary);
}
.navbar-nav .nav-link:hover, .navbar-nav .nav-link:focus {
    color: var(--primary-color);
}
.navbar-nav .nav-link.active {
    color: var(--primary-color);
    font-weight: 600;
}
.navbar-brand {
    color: var(--text-primary) !important;
}

/* Form Controls - Themed */
.form-control, .form-select {
    background-color: var(--bg-surface-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-surface);
    border-color: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.25rem var(--primary-light);
}


.bg-purple { background-color: #7c3aed !important; }
.text-purple { color: #7c3aed !important; }
.btn-outline-purple { 
    border-color: #7c3aed; 
    color: #7c3aed;
}
.btn-outline-purple:hover {
    background-color: #7c3aed;
    color: white;
}

.bg-pink { background-color: #ec4899 !important; }
.text-pink { color: #ec4899 !important; }
.btn-outline-pink { 
    border-color: #ec4899; 
    color: #ec4899;
}
.btn-outline-pink:hover {
    background-color: #ec4899;
    color: white;
}

/* Surface Button */
.btn-surface {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}
.btn-surface:hover {
    background-color: var(--bg-surface-secondary);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Floating Chatbot button */
.chatbot-fab {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
}

/* SAAS Card Styles */
.saas-card { border: none; border-radius: 12px; box-shadow: var(--card-shadow); transition: transform 0.2s ease, box-shadow 0.2s ease; background-color: var(--bg-surface); }
.saas-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
.saas-list-item { border: 1px solid var(--border-color); border-radius: 10px; margin-bottom: 10px; transition: background-color 0.2s ease, transform 0.2s ease; }
.saas-list-item:hover { background-color: var(--bg-surface-secondary); transform: translateX(2px); }
.saas-table tr { transition: background-color 0.15s ease; }
.saas-table tr:hover { background-color: var(--bg-surface-secondary); }
.fade-in { animation: fadeIn 0.25s ease-out both; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* --- Text Gradient --- */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Entrance Animations --- */
.reveal-up {
    opacity: 0;
    transform: translateY(20px);
    animation: revealUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes revealUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }

/* --- Section Spacing --- */
.section-padding {
    padding: 6rem 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 4rem 0;
    }
}

/* --- Professional Dashboard Components --- */
.kpi-card {
    padding: 24px;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.kpi-card:hover {
    box-shadow: var(--card-shadow-lg);
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.kpi-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 4px;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.kpi-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
}

.x-small { font-size: 0.75rem; }
.fw-800 { font-weight: 800 !important; }
.uppercase { text-transform: uppercase !important; }
.tracking-widest { letter-spacing: 0.1em !important; }

/* Dashboard Tables */
.table-dashboard thead th {
    background-color: var(--bg-surface-secondary);
    padding: 12px 24px;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    border: none;
}

.table-dashboard tbody td {
    padding: 20px 24px;
    vertical-align: middle;
}

/* Activity Feed */
.activity-feed-item {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.activity-feed-item:hover {
    background-color: var(--bg-surface-secondary);
}

/* Sidebar-like Nav for Internal Pages */
.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.sidebar-nav-item:hover {
    background: var(--bg-surface-secondary);
    color: var(--primary-color);
    transform: translateX(4px);
}

.sidebar-nav-item.active {
    background: var(--primary-light);
    color: var(--primary-color);
}