/* ==========================================================================
   Tutor Settings Page Stylesheet
   ========================================================================== */

/* Typography & Fallback Variables
========================================================================== */
body, input, button, select, textarea {
    font-family: 'Plus Jakarta Sans', sans-serif;
}

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --input-bg: #ffffff;
    --hover-bg: #f8fafc;
    --danger-color: #ef4444;
    --danger-bg: #fef2f2;
    --warning-color: #f59e0b;
}

/* Layout Base
========================================================================== */
.main-content {
    padding: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

/* Page Title Section
========================================================================== */
.page-title-section {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.35rem;
}

.page-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Navigation Tabs
========================================================================== */
.settings-tabs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 2rem;
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
}

.settings-tabs::-webkit-scrollbar {
    display: none; /* Chrome, Safari */
}

.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.25rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
    margin-bottom: -2px;
}

.tab-btn:hover {
    color: var(--primary-color);
}

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

.tab-btn.danger-tab:hover,
.tab-btn.danger-tab.active {
    color: var(--danger-color);
    border-bottom-color: var(--danger-color);
}

/* Tab Content Visibility
========================================================================== */
.tab-pane {
    display: none;
    flex-direction: column;
    gap: 1.5rem;
}

.tab-pane.active {
    display: flex;
}

/* Settings Cards
========================================================================== */
.settings-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.card-header {
    margin-bottom: 1.5rem;
}

.card-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.35rem;
}

.card-header p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

.card-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

/* Forms & Inputs
========================================================================== */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    color: var(--text-color);
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.mt-4 {
    margin-top: 1rem;
}

/* Toggle Switches (Setting Row)
========================================================================== */
.setting-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border-color);
    gap: 1.5rem;
}

.setting-toggle-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.setting-toggle-row:first-child {
    padding-top: 0;
}

.toggle-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.toggle-info strong {
    font-size: 0.95rem;
    color: var(--text-color);
    font-weight: 600;
}

.toggle-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Custom Switch Styling
========================================================================== */
.switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e1;
    transition: 0.3s ease;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: #ffffff;
    transition: 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:focus + .slider {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

input:checked + .slider:before {
    transform: translateX(22px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Checkbox Groups
========================================================================== */
.checkbox-group.vertical {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.checkbox-item:hover {
    background-color: var(--hover-bg);
    border-color: #cbd5e1;
}

.checkbox-item input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.checkbox-item strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-color);
    margin-bottom: 0.2rem;
}

.checkbox-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* Buttons & Card Actions
========================================================================== */
.card-footer-action {
    margin-top: 1.5rem;
    display: flex;
    justify-content: flex-end;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

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

/* Account Danger Zone Styles
========================================================================== */
.border-danger {
    border-color: #fca5a5;
}

.text-danger {
    color: var(--danger-color) !important;
}

.btn-outline-warning {
    background: transparent;
    border: 1px solid var(--warning-color);
    color: var(--warning-color);
    padding: 0.65rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-outline-warning:hover {
    background-color: #fffbeb;
}

.btn-danger {
    background-color: var(--danger-color);
    color: #ffffff;
    padding: 0.65rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.btn-danger:hover {
    background-color: #dc2626;
}

/* Responsive Breakpoints
========================================================================== */
@media (max-width: 768px) {
    .main-content {
        padding: 1.25rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .setting-toggle-row {
        align-items: flex-start;
    }

    .card-footer-action {
        justify-content: stretch;
    }

    .card-footer-action button {
        width: 100%;
    }
}