/* QuitaFácil - Custom Styles */
:root {
    --primary-color: #05386B;
    --secondary-color: #379683;
    --accent-color: #5CDB95;
    --light-accent: #8EE4AF;
    --background-light: #EDF5E1;
    --text-dark: #2c3e50;
    --text-light: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--light-accent));
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* Dark mode variables */
[data-theme="dark"] {
    --background-light: #1a1a1a;
    --text-dark: #ffffff;
    --border-color: #333333;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

/* Layout */
.main-content {
    margin-top: 80px;
    padding: 20px 0;
    min-height: calc(100vh - 160px);
}

.section {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.section.active {
    display: block;
}

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

/* Navigation */
.bg-primary-gradient {
    background: var(--gradient-primary) !important;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    color: var(--text-light) !important;
    font-weight: 500;
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    color: var(--light-accent) !important;
}

/* Sidebar */
.offcanvas-body .nav-link {
    color: var(--text-dark);
    padding: 12px 16px;
    border-radius: var(--border-radius);
    margin-bottom: 5px;
    transition: var(--transition);
}

.offcanvas-body .nav-link:hover,
.offcanvas-body .nav-link.active {
    background: var(--gradient-secondary);
    color: var(--text-light);
    transform: translateX(5px);
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    background-color: var(--text-light);
}

[data-theme="dark"] .card {
    background-color: #2d2d2d;
    color: var(--text-light);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

/* Summary Cards */
.summary-card {
    position: relative;
    overflow: hidden;
}

.summary-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.debt-card::before {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.income-card::before {
    background: var(--gradient-secondary);
}

.payoff-card::before {
    background: var(--gradient-accent);
}

.savings-card::before {
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.summary-icon {
    font-size: 2.5rem;
    opacity: 0.7;
    color: var(--primary-color);
}

.card-title {
    font-weight: 700;
    color: var(--primary-color);
}

.card-subtitle {
    color: #6c757d;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Strategy Cards */
.strategy-card {
    height: 100%;
    transition: var(--transition);
}

.strategy-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 10px 20px;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
}

.btn-primary:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px);
}

.btn-success {
    background: var(--gradient-secondary);
    color: var(--text-light);
}

.btn-info {
    background: var(--gradient-accent);
    color: var(--text-dark);
}

.btn-warning {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: var(--text-light);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover {
    background: var(--gradient-primary);
    color: var(--text-light);
}

/* Forms */
.form-control,
.form-select {
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    padding: 12px 16px;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(55, 150, 131, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

/* Tables */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table thead th {
    background: var(--gradient-primary);
    color: var(--text-light);
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background-color: rgba(92, 219, 149, 0.1);
}

/* Value fields (for hiding/showing values) */
.value-field.hidden {
    color: transparent;
    text-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
    user-select: none;
}

.value-field.hidden::before {
    content: '••••••';
    color: var(--text-dark);
    text-shadow: none;
}

/* Chart container */
#payoffChart {
    max-width: 100%;
    height: auto;
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    border: none;
    font-weight: 500;
}

.alert-info {
    background: linear-gradient(135deg, rgba(92, 219, 149, 0.1), rgba(142, 228, 175, 0.1));
    color: var(--primary-color);
    border-left: 4px solid var(--accent-color);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.1), rgba(230, 126, 34, 0.1));
    color: #e67e22;
    border-left: 4px solid #f39c12;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1), rgba(192, 57, 43, 0.1));
    color: #c0392b;
    border-left: 4px solid #e74c3c;
}

/* Modals */
.modal-content {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
    background: var(--gradient-primary);
    color: var(--text-light);
    border-bottom: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-title {
    font-weight: 700;
}

.btn-close-white {
    filter: invert(1);
}

/* Progress bars */
.progress {
    height: 10px;
    border-radius: 5px;
    background-color: rgba(0, 0, 0, 0.1);
}

.progress-bar {
    background: var(--gradient-secondary);
    border-radius: 5px;
}

/* Badges */
.badge {
    border-radius: 20px;
    font-weight: 500;
    padding: 6px 12px;
}

.badge-primary {
    background: var(--gradient-primary);
}

.badge-success {
    background: var(--gradient-secondary);
}

.badge-info {
    background: var(--gradient-accent);
    color: var(--text-dark);
}

/* Ad banners */
.ad-banner {
    text-align: center;
    margin: 20px 0;
    padding: 10px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: var(--border-radius);
}

/* Footer */
.footer {
    background: var(--gradient-primary) !important;
    margin-top: auto;
}

/* Responsive design */
@media (max-width: 768px) {
    .main-content {
        padding: 10px 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .summary-card {
        margin-bottom: 15px;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    .modal-dialog {
        margin: 10px;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 1.3rem;
    }
    
    .summary-icon {
        font-size: 2rem;
    }
    
    .card-title {
        font-size: 1.1rem;
    }
    
    .btn {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
}

/* Loading states */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

.slide-up {
    animation: slideUp 0.5s ease-in-out;
}

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

/* Utility classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: var(--gradient-primary);
}

.bg-gradient-secondary {
    background: var(--gradient-secondary);
}

.bg-gradient-accent {
    background: var(--gradient-accent);
}

.shadow-custom {
    box-shadow: var(--shadow);
}

.border-radius-custom {
    border-radius: var(--border-radius);
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .offcanvas,
    .modal,
    .footer,
    .ad-banner {
        display: none !important;
    }
    
    .main-content {
        margin-top: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
        --border-color: #000000;
    }
    
    .card {
        border: 2px solid var(--border-color);
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

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