/**
 * Main CSS File - Custom PHP MVC Framework
 * 
 * @author Mustafa Erdinç - mustafaerdinc@me.com +905425786040
 * @version 1.0.0
 * @since 2024
 */

/* Import Fonts */
@import url('fonts.css');

/* Import Bootstrap */
@import url('bootstrap.min.css');

/* Font Awesome Icons */
/* Font Awesome removed - using Bootstrap Icons instead */

/* Custom Variables */
:root {
    --primary-color: #6366F1;
    --secondary-color: #6c757d;
    --success-color: #10B981;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    --font-primary: 'Untitled Sans', sans-serif;
    --font-heading: 'Adobe Text Pro', serif;
    --font-mono: 'Sohne Mono', monospace;
    
    --border-radius: 0.375rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --transition: all 0.15s ease-in-out;
    
    /* Light theme colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #343a40;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --input-border: #ced4da;
}

/* Dark theme variables */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #404040;
    --card-bg: #2d2d2d;
    --input-bg: #404040;
    --input-border: #555555;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Custom Button Styles */
.btn-custom {
    font-family: var(--font-primary);
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: var(--box-shadow);
}

.btn-custom:hover {
    transform: translateY(-1px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.15);
}

/* Custom Form Styles */
.form-control-custom {
    border-radius: var(--border-radius);
    border: 1px solid #ced4da;
    transition: var(--transition);
    font-family: var(--font-primary);
}

.form-control-custom:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Card Styles */
.card-custom {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: none;
    transition: var(--transition);
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.card-custom:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Dark mode card styles */
.card {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
    transition: all 0.3s ease;
}

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

.bg-gradient-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--info-color));
}

/* Screen reader only class */
.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;
}

/* 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-left {
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Responsive Typography */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
}

@media (min-width: 769px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
}

/* Dashboard Specific Styles */
.dashboard-stats-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.dashboard-stats-card:hover {
    transform: translateY(-5px);
}

.dashboard-stats-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-form-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.z-index-1 {
    position: relative;
    z-index: 1;
}

/* Language Switcher */
.language-switcher .btn {
    border-radius: 20px;
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.language-switcher .btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Progress Bars */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: rgba(0, 0, 0, 0.1);
}

.progress-bar {
    border-radius: 4px;
    transition: width 0.6s ease;
}

/* Table Styles */
.table-hover tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.05);
    transition: background-color 0.2s ease;
}

/* Badge Styles */
.badge {
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
}

/* Card Hover Effects */
.card {
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Button Styles */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Form Styles */
.form-control {
    border-radius: 8px;
    border: 2px solid var(--input-border);
    transition: all 0.3s ease;
    background-color: var(--input-bg);
    color: var(--text-primary);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    background-color: var(--input-bg);
}

/* Input group text dark mode */
.input-group-text {
    background-color: var(--bg-secondary);
    border-color: var(--input-border);
    color: var(--text-secondary);
}

/* Alert Styles */
.alert {
    border-radius: 10px;
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

/* Dark mode alert styles */
[data-theme="dark"] .alert {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

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

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

/* Footer Styles */
footer {
    background: linear-gradient(135deg, #343a40 0%, #495057 100%);
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .login-form-container {
        margin: 1rem;
        padding: 2rem;
    }
    
    .hero-section {
        display: none;
    }
    
    .dashboard-stats-card {
        margin-bottom: 1rem;
    }
}

/* Modern Form Enhancements */
.input-group-text {
    border-color: #ced4da;
    background-color: #f8f9fa;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), #4F46E5);
    border: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #4F46E5, #3730A3);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(99, 102, 241, 0.3);
}

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

.btn-outline-primary:hover {
    background: linear-gradient(45deg, var(--primary-color), #4F46E5);
    border-color: transparent;
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(45deg, var(--success-color), #059669);
    border: none;
    transition: all 0.3s ease;
}

.btn-success:hover {
    background: linear-gradient(45deg, #059669, #047857);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(16, 185, 129, 0.3);
}

/* Enhanced Card Styles */
.card.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important;
}

/* Input Group Enhancements */
.input-group-lg .form-control {
    font-size: 1.1rem;
}

.input-group-lg .input-group-text {
    font-size: 1.1rem;
}

/* OTP Input Styles */
.otp-input-container {
    margin: 0 auto;
}

.otp-input {
    width: 50px;
    height: 60px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    border: 2px solid var(--input-border);
    border-radius: 12px;
    background: var(--input-bg);
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.otp-input:focus {
    border-color: #007bff;
    background: var(--input-bg);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    transform: scale(1.05);
}

.otp-input:not(:placeholder-shown) {
    background: var(--input-bg);
    border-color: #28a745;
}

/* Login Method Switcher */
.btn-group .btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-group .btn.active {
    background: linear-gradient(45deg, #007bff, #0056b3);
    border-color: transparent;
    color: white;
    transform: scale(1.02);
}

.btn-group .btn:hover:not(.active) {
    background: rgba(0, 123, 255, 0.1);
    border-color: #007bff;
    color: #007bff;
}

/* OTP Loading and Transition Effects */
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-content, .btn-loading {
    transition: all 0.3s ease;
}

/* Loading state for OTP form - removed overlay */
form.loading {
    position: relative;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Success animation for OTP verification */
.otp-success {
    animation: successPulse 0.6s ease;
}

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

/* OTP input success state */
.otp-input.success {
    border-color: var(--success-color);
    background-color: rgba(16, 185, 129, 0.1);
    animation: inputSuccess 0.5s ease;
}

@keyframes inputSuccess {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Page transition effect - removed */

/* Dark mode adjustments for loading states - removed */