/* Modern PadelClassroom Styles */

/* Modern Navigation */
.modern-nav {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.75rem !important;
    font-weight: 700 !important;
    letter-spacing: -0.025em;
}

/* Modern Cards */
.modern-card {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modern-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Glass Effect */
.glass-effect {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
}

/* Modern Buttons */
.btn-modern {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: 600;
    letter-spacing: 0.025em;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn-modern-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 12px 24px;
    font-weight: 600;
    color: white;
    transition: all 0.3s ease;
}

.btn-modern-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    color: white;
}

/* Hero Section Styles */
.hero-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    min-height: 85vh;
}

.hero-background {
    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 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="rgba(255,255,255,0.1)"/><stop offset="100%" stop-color="rgba(255,255,255,0)"/></radialGradient></defs><circle cx="100" cy="100" r="80" fill="url(%23a)"/><circle cx="900" cy="200" r="120" fill="url(%23a)"/><circle cx="800" cy="800" r="100" fill="url(%23a)"/><circle cx="200" cy="900" r="90" fill="url(%23a)"/></svg>') no-repeat center center;
    background-size: cover;
    opacity: 0.3;
}

.min-vh-75 {
    min-height: 75vh;
}

.text-gradient {
    background: linear-gradient(135deg, #ffeaa7 0%, #fab1a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-white-75 {
    color: rgba(255, 255, 255, 0.75);
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    opacity: 0.9;
}

.hero-stats {
    margin-top: 2rem;
}

.hero-icon-container {
    position: relative;
    display: inline-block;
}

.hero-icon-bg {
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 3s ease-in-out infinite;
}

.hero-icon {
    font-size: 8rem;
    position: relative;
    z-index: 2;
    color: rgba(255, 255, 255, 0.9);
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.3;
    }
}

/* Icon Wrappers */
.icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

.player-icon {
    background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
    color: white;
}

.coach-icon {
    background: linear-gradient(135deg, #fdcb6e 0%, #e17055 100%);
    color: white;
}

.icon-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    border-radius: inherit;
}

/* Utility classes */
.hover-shadow {
    transition: box-shadow 0.15s ease-in-out;
}

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

/* Video responsive container */
.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Course card enhancements */
.course-card {
    transition: transform 0.2s ease-in-out;
}

.course-card:hover {
    transform: translateY(-2px);
}

/* Custom badge styles */
.badge.fs-6 {
    font-size: 0.875rem !important;
}

/* Navigation enhancements */
.navbar-brand {
    font-size: 1.5rem;
}

/* Footer styling */
footer {
    margin-top: auto;
}

/* Form enhancements */
.form-control:focus,
.form-select:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.25);
}

/* Button hover effects */
.btn {
    transition: all 0.15s ease-in-out;
}

/* Card hover effects */
.card {
    transition: box-shadow 0.15s ease-in-out;
}

/* Course difficulty badges */
.badge.bg-success {
    background-color: var(--bs-success) !important;
}

.badge.bg-warning {
    background-color: var(--bs-warning) !important;
    color: var(--bs-dark) !important;
}

.badge.bg-danger {
    background-color: var(--bs-danger) !important;
}

/* Stats cards */
.stats-card {
    border: none;
    border-radius: 0.5rem;
}

/* Video player styling */
.video-player {
    border-radius: 0.375rem;
    overflow: hidden;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .display-1 {
        font-size: 3rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
}

/* Dark theme enhancements */
[data-bs-theme="dark"] {
    --bs-body-bg: #0a0a0f;
    --bs-body-color: #ffffff;
}

[data-bs-theme="dark"] body {
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

[data-bs-theme="dark"] .card {
    background-color: rgba(255, 255, 255, 0.02);
    border-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
}

[data-bs-theme="dark"] .bg-light {
    background-color: rgba(255, 255, 255, 0.05) !important;
}

[data-bs-theme="dark"] .text-muted {
    color: #adb5bd !important;
}

[data-bs-theme="dark"] .modal-content {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: white;
}

[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(102, 126, 234, 0.5);
    color: white;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Course topic pills */
.topic-pill {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    margin: 0.125rem;
    background-color: var(--bs-primary);
    color: white;
    border-radius: 1rem;
    font-size: 0.75rem;
    text-decoration: none;
}

.topic-pill:hover {
    background-color: var(--bs-primary-dark);
    color: white;
    text-decoration: none;
}

/* Breadcrumb styling */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin-bottom: 1rem;
}

/* Alert enhancements */
.alert {
    border: none;
    border-radius: 0.5rem;
}

/* Modal enhancements */
.modal-content {
    border: none;
    border-radius: 0.5rem;
}

/* Form validation */
.is-invalid {
    border-color: var(--bs-danger);
}

.is-valid {
    border-color: var(--bs-success);
}

/* Custom scrollbar for webkit browsers */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bs-gray-200);
}

::-webkit-scrollbar-thumb {
    background: var(--bs-gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bs-gray-600);
}

/* Print styles */
@media print {
    .navbar,
    .footer,
    .btn {
        display: none !important;
    }
}