/* CSS Variables for Color Palette */
:root {
    --primary-color: #2196F3;
    --success-color: #4CAF50;
    --warning-color: #FFC107;
    --danger-color: #F44336;
    --purple-color: #9C27B0;
    --dark-bg: #1a1a1a;
    --dark-card: #2d2d2d;
    --dark-text: #ffffff;
    --light-bg: #ffffff;
    --light-card: #f8f9fa;
    --light-text: #212529;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--light-text);
    background-color: var(--light-bg);
    transition: all 0.3s ease;
}

/* Dark Mode Styles */
[data-theme="dark"] {
    --light-bg: #1a1a1a;
    --light-card: #2d2d2d;
    --light-text: #ffffff;
}

[data-theme="dark"] body {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

[data-theme="dark"] .card {
    background-color: var(--dark-card);
    border-color: #444;
    color: var(--dark-text);
}

[data-theme="dark"] .bg-light {
    background-color: var(--dark-card) !important;
}

[data-theme="dark"] .text-dark {
    color: var(--dark-text) !important;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--dark-card);
    border-color: #444;
    color: var(--dark-text);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--dark-card);
    border-color: var(--primary-color);
    color: var(--dark-text);
    box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.25);
}

/* Navigation Styles */
.navbar {
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1) 0%, rgba(76, 175, 80, 0.1) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-image .balance-icon {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Card Styles */
.card {
    border: none;
    border-radius: 15px;
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
    border: none;
}

/* Form Styles */
.form-range {
    height: 8px;
}

.form-range::-webkit-slider-thumb {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.form-range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Button Styles */
.btn {
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), #1976D2);
    border: none;
}

.btn-success {
    background: linear-gradient(45deg, var(--success-color), #388E3C);
    border: none;
}

.btn-warning {
    background: linear-gradient(45deg, var(--warning-color), #F57C00);
    border: none;
    color: #212529;
}

.btn-danger {
    background: linear-gradient(45deg, var(--danger-color), #D32F2F);
    border: none;
}

/* Progress Bar Styles */
.progress {
    border-radius: 10px;
    overflow: hidden;
    background-color: rgba(0,0,0,0.1);
}

.progress-bar {
    background: linear-gradient(45deg, var(--success-color), #66BB6A);
    transition: width 0.8s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Results Styles */
.result-item {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 15px;
    border-left: 4px solid;
    background: rgba(255,255,255,0.5);
    backdrop-filter: blur(10px);
}

.result-excellent {
    border-left-color: var(--success-color);
    background: rgba(76, 175, 80, 0.1);
}

.result-good {
    border-left-color: var(--primary-color);
    background: rgba(33, 150, 243, 0.1);
}

.result-warning {
    border-left-color: var(--warning-color);
    background: rgba(255, 193, 7, 0.1);
}

.result-danger {
    border-left-color: var(--danger-color);
    background: rgba(244, 67, 54, 0.1);
}

/* Quiz Styles */
.quiz-option {
    text-align: left;
    transition: all 0.3s ease;
}

.quiz-option:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

.quiz-option.selected {
    background-color: var(--success-color);
    color: white;
}

/* Accordion Styles */
.accordion-button {
    font-weight: 600;
    border-radius: 10px !important;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: white;
}

.accordion-item {
    border: none;
    margin-bottom: 10px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Offcanvas Styles */
.offcanvas {
    border-radius: 20px 0 0 20px;
}

.nav-tabs .nav-link {
    border-radius: 10px 10px 0 0;
    border: none;
    background: transparent;
    color: var(--light-text);
}

.nav-tabs .nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

/* Tips Container */
.tips-container .card {
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.tips-container .card:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

.bounce-in {
    animation: bounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes bounceIn {
    0% { opacity: 0; transform: scale(0.3); }
    50% { opacity: 1; transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1); }
}

/* Chart Container */
#leisureChart {
    width: 100% !important;
    height: auto !important;
    max-width: 100%;
    display: block;
}

/* Social Links */
.social-links a {
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

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

/* AdMob/AdSense Styles */
.admob-banner,
.adsense-banner {
    border-radius: 10px;
    transition: all 0.3s ease;
}

.admob-banner:hover,
.adsense-banner:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding: 2rem 0;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .btn-lg {
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
    }
    
    .offcanvas {
        border-radius: 0;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        font-size: 0.9rem;
    }
    
    .progress {
        height: 15px;
    }
    
    .accordion-body {
        font-size: 0.9rem;
    }
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(45deg, var(--primary-color), var(--success-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), #1976D2);
}

.bg-gradient-success {
    background: linear-gradient(135deg, var(--success-color), #388E3C);
}

.shadow-soft {
    box-shadow: 0 5px 15px rgba(0,0,0,0.08) !important;
}

.border-radius-lg {
    border-radius: 15px !important;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Scroll Behavior */
html {
    scroll-behavior: smooth;
}

/* Focus Styles for Accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid currentColor;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .btn,
    .modal,
    .offcanvas,
    .admob-banner,
    .adsense-banner {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}