/* Global Styles */
:root {
    --primary-color: #6f42c1;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --pink-color: #e91e63;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

.bg-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.bg-pink {
    background-color: var(--pink-color) !important;
}

/* Card Styles */
.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: 0;
}

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

.rounded-4 {
    border-radius: 1rem !important;
}

/* Feature Cards */
.feature-card {
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.feature-card i {
    font-size: 1.5rem;
    display: block;
}

/* Info Cards */
.info-card {
    transition: all 0.3s ease;
}

.info-card:hover {
    background-color: #f8f9fa !important;
}

/* Avatar */
.avatar-sm {
    width: 40px;
    height: 40px;
}

/* Buttons */
.btn {
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
}

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

/* Tables */
.table-hover tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.025);
}

/* Badges */
.badge {
    font-size: 0.875em;
    padding: 0.375em 0.75em;
}

/* Progress bars */
.progress {
    border-radius: 1rem;
}

.progress-bar {
    border-radius: 1rem;
}

/* Spinner */
.spinner-grow {
    animation-duration: 1.5s;
}

/* Forms */
.form-control, .form-select {
    border-radius: 0.5rem;
    border: 1px solid #ced4da;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(111, 66, 193, 0.25);
}

.input-group-text {
    border-radius: 0.5rem 0 0 0.5rem;
    background-color: #f8f9fa;
    border-color: #ced4da;
}

/* Alerts */
.alert {
    border-radius: 0.75rem;
    border: 0;
}

/* Modal */
.modal-content {
    border-radius: 1rem;
    border: 0;
}

.modal-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Video Call Styles */
.video-container {
    background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.call-controls {
    backdrop-filter: blur(10px);
    background: rgba(0, 0, 0, 0.7);
}

.control-btn {
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.control-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Chat Styles */
.chat-message {
    max-width: 80%;
    word-wrap: break-word;
}

.chat-message.own {
    margin-left: auto;
    background-color: var(--primary-color);
    color: white;
}

.chat-message.other {
    margin-right: auto;
    background-color: #f8f9fa;
    color: #333;
}

/* Payment Styles */
.package-card {
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.package-card::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;
}

.package-card:hover::before {
    left: 100%;
}

.package-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.package-card.selected {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 20px rgba(111, 66, 193, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container-fluid {
        padding: 1rem;
    }
    
    .card-body {
        padding: 2rem !important;
    }
    
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .video-container {
        height: 300px;
    }
    
    .call-controls {
        bottom: 10px;
        padding: 10px 15px;
    }
    
    .control-btn {
        width: 40px;
        height: 40px;
        margin: 0 5px;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .card-body.p-5 {
        padding: 1.5rem !important;
    }
    
    .feature-card {
        margin-bottom: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
}

/* Dark theme support */
@media (prefers-color-scheme: dark) {
    .bg-light {
        background-color: #2d3748 !important;
        color: #e2e8f0;
    }
    
    .text-muted {
        color: #a0aec0 !important;
    }
    
    .border {
        border-color: #4a5568 !important;
    }
}

/* 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-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

/* Loading spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* Status indicators */
.status-online {
    color: var(--success-color);
}

.status-offline {
    color: var(--secondary-color);
}

.status-busy {
    color: var(--danger-color);
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}