:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --success-color: #4cc9f0;
    --danger-color: #f72585;
    --warning-color: #ff9e00;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gray-color: #6c757d;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.header {
    text-align: center;
    margin-bottom: 30px;
    color: white;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 25px;
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: var(--primary-color);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-body {
    padding: 25px;
}

.tabs {
    display: flex;
    background: var(--light-color);
    border-bottom: 2px solid #dee2e6;
}

.tab {
    padding: 15px 25px;
    cursor: pointer;
    font-weight: 600;
    color: var(--gray-color);
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}

.tab:hover {
    color: var(--primary-color);
    background: rgba(67, 97, 238, 0.05);
}

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: white;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.providers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.provider-card {
    background: var(--light-color);
    border-radius: var(--border-radius);
    padding: 20px;
    border: 1px solid #dee2e6;
    transition: var(--transition);
    position: relative;
}

.provider-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.provider-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    gap: 15px;
}

.provider-logo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: contain;
    background: white;
    padding: 8px;
    border: 2px solid var(--primary-color);
    box-sizing: content-box;
}

.provider-info h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.provider-info .provider-id {
    color: var(--gray-color);
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 20px;
}

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

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #dee2e6;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.btn {
    padding: 12px 25px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 5px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

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

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: #d63384;
    transform: translateY(-2px);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #2dc2e3;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 15px;
    font-size: 0.9rem;
}

.btn-group {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 10px;
}

.status-success {
    background: rgba(76, 201, 240, 0.2);
    color: var(--success-color);
}

.status-error {
    background: rgba(247, 37, 133, 0.2);
    color: var(--danger-color);
}

.status-warning {
    background: rgba(255, 158, 0, 0.2);
    color: var(--warning-color);
}

.loader {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.alert {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-info {
    background: rgba(67, 97, 238, 0.1);
    border-left: 4px solid var(--primary-color);
    color: var(--primary-color);
}

.alert-success {
    background: rgba(76, 201, 240, 0.1);
    border-left: 4px solid var(--success-color);
    color: #0c5460;
}

.alert-error {
    background: rgba(247, 37, 133, 0.1);
    border-left: 4px solid var(--danger-color);
    color: var(--danger-color);
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--gray-color);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #dee2e6;
}

.config-section {
    margin-bottom: 30px;
}

.config-section h3 {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #dee2e6;
    color: var(--primary-color);
}

.json-editor {
    width: 100%;
    min-height: 200px;
    font-family: 'Courier New', monospace;
    padding: 15px;
    border: 2px solid #dee2e6;
    border-radius: var(--border-radius);
    resize: vertical;
}

.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    border-radius: var(--border-radius);
    padding: 10px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.9rem;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Special styling for provider types */
.client-credentials-only .form-group.hide-for-client {
    display: none;
}

.client-credentials-only .no-credentials-required {
    display: block;
    padding: 15px;
    background: rgba(76, 201, 240, 0.1);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--success-color);
    margin-bottom: 20px;
}

.no-credentials-required {
    display: none;
}

/* Modal styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
}

.modal-content h3 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-content p {
    margin-bottom: 20px;
}

.modal-content input[type="file"] {
    margin-bottom: 20px;
    width: 100%;
    padding: 10px;
    border: 2px solid #dee2e6;
    border-radius: var(--border-radius);
}

.modal-buttons {
    justify-content: flex-end;
    margin-top: 20px;
}

.token-expiration {
    font-size: 0.875rem;
    color: #666;
    margin-top: 8px;
    padding: 6px 10px;
    background-color: #f8f9fa;
    border-left: 3px solid #4CAF50;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.token-expiration i {
    color: #4CAF50;
    font-size: 0.95rem;
}

.token-expiration.expired {
    background-color: #fff3cd;
    border-left-color: #ff9800;
}

.token-expiration.expired i {
    color: #ff9800;
}

/* Adjust provider info spacing when token expiration is shown */
.provider-info .token-expiration:first-of-type {
    margin-top: 12px;
}

.provider-info .token-expiration + .token-expiration {
    margin-top: 6px;
}

/* EPG Mapping specific styles - moved to separate file */
/* .epg-mapping-container etc. */

@media (max-width: 768px) {
    .providers-grid {
        grid-template-columns: 1fr;
    }

    .header h1 {
        font-size: 2rem;
    }

    .tabs {
        flex-direction: column;
    }

    .tab {
        text-align: center;
    }

    .btn-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .modal-buttons {
        flex-direction: column;
    }
}