/* Admin Settings Tabs Layout */

.settings-layout {
    display: flex;
    min-height: calc(100vh - 70px);
    background: #f8fafc;
}

/* Sidebar Navigation */
.settings-sidebar {
    width: 280px;
    background: white;
    border-right: 1px solid #e2e8f0;
    position: fixed;
    top: 70px;
    left: 0;
    bottom: 0;
    overflow-y: auto;
}

.settings-sidebar-header {
    padding: 32px 24px 24px;
    border-bottom: 1px solid #e2e8f0;
}

.settings-sidebar-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 8px 0;
}

.settings-sidebar-header p {
    font-size: 14px;
    color: #64748b;
    margin: 0;
}

.settings-nav {
    padding: 16px;
}

.settings-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin-bottom: 4px;
    border-radius: 8px;
    text-decoration: none;
    color: #475569;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s;
}

.settings-nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.settings-nav-item:hover {
    background: #f8fafc;
    color: #9480c5;
}

.settings-nav-item.active {
    background: linear-gradient(135deg, rgba(148, 128, 197, 0.1) 0%, rgba(124, 107, 168, 0.1) 100%);
    color: #9480c5;
    font-weight: 600;
}

/* Content Area */
.settings-content {
    flex: 1;
    margin-left: 280px;
    padding: 40px;
    overflow-y: auto;
}

.settings-tab {
    display: none;
}

.settings-tab.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.settings-tab-header {
    margin-bottom: 32px;
}

.settings-tab-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 8px 0;
}

.settings-tab-header p {
    font-size: 15px;
    color: #64748b;
    margin: 0;
}

/* Form Container */
.form-container {
    background: white;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group input[type="url"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Pretendard', sans-serif;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #9480c5;
    box-shadow: 0 0 0 3px rgba(148, 128, 197, 0.1);
}

.form-group small {
    display: block;
    margin-top: 6px;
    font-size: 13px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #e2e8f0;
}

/* Loading Placeholder */
.loading-placeholder {
    text-align: center;
    padding: 80px 20px;
}

.loading-placeholder .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e2e8f0;
    border-top-color: #9480c5;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-placeholder p {
    font-size: 14px;
    color: #64748b;
    margin: 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .settings-sidebar {
        width: 240px;
    }
    
    .settings-content {
        margin-left: 240px;
        padding: 24px;
    }
}

@media (max-width: 768px) {
    .settings-sidebar {
        width: 100%;
        position: relative;
        top: 0;
        border-right: none;
        border-bottom: 1px solid #e2e8f0;
    }
    
    .settings-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .settings-nav {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
}

/* Button Styles (if not already loaded) */
.btn-outline {
    padding: 10px 20px;
    border: 1px solid #e2e8f0;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: #475569;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-outline:hover {
    background: #f8fafc;
    border-color: #9480c5;
    color: #9480c5;
}

.btn-secondary {
    padding: 10px 20px;
    background: #64748b;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: #475569;
}

.btn-primary {
    padding: 10px 24px;
    background: linear-gradient(135deg, #9480c5 0%, #7c6ba8 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(148, 128, 197, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(148, 128, 197, 0.4);
}

/* Spinner (if not already loaded) */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e2e8f0;
    border-top-color: #9480c5;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

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