/* ============================================================
   SHODO FAM Dashboard — App Shell v8
   + App Header (Vercel/Stripe: logo + breadcrumb + avatar)
   + Sidebar (NN/g: left-side vertical nav)
   + 5-item mobile bottom nav (Acclaim +65% DAU)
   + Slide-up "More" menu
   + Scroll-hide header on mobile (NN/g sticky header)

   Research: Vercel, Stripe, Material Design 3, NN/g,
   Salt Design System, Skills ux-psychology.md, RESPONSIVE.md
   ============================================================ */

/* --- Design Tokens (8pt grid, VISUAL-DESIGN.md) --- */
:root {
    --sf-accent: #1cb0f8;
    --sf-accent-light: #e8f6fe;
    --sf-accent-hover: #0ea5e9;
    --sf-accent-dark: #0284c7;
    --sf-text-primary: #212121;
    --sf-text-secondary: #64748b;
    --sf-text-muted: #94a3b8;
    --sf-bg-page: #f8fafc;
    --sf-bg-white: #ffffff;
    --sf-border: #e2e8f0;
    --sf-border-light: #f1f5f9;
    --sf-radius-sm: 8px;
    --sf-radius-md: 8px;
    --sf-radius-lg: 16px;
    --sf-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --sf-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --sf-shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --sf-sidebar-w: 216px;
    --sf-header-h: 56px;
}

/* --- Page Background --- */
.tutor-frontend-dashboard {
    background: var(--sf-bg-page) !important;
}

/* ============================================================
   APP HEADER (Vercel/Stripe pattern)
   Jakob's Law: logo top-left = "Home"
   Figure/Ground: shadow separates header from content
   Salt Design System: Branding | Navigation | Utilities
   ============================================================ */
.sf-app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--sf-bg-white);
    border-bottom: 1px solid var(--sf-border);
    height: var(--sf-header-h);
    box-shadow: var(--sf-shadow-sm);
}
/* Header分のスペースを確保 */
.tutor-frontend-dashboard {
    padding-top: var(--sf-header-h) !important;
}
/* WP管理バーがある場合、ヘッダーを下にずらす */
.admin-bar .sf-app-header {
    top: 32px;
}
@media (max-width: 782px) {
    .admin-bar .sf-app-header { top: 46px; }
}

.sf-app-header__inner {
    display: flex;
    align-items: center;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    gap: 16px;
}

/* Brand: Logo */
.sf-app-header__brand {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none !important;
    gap: 8px;
}
.sf-app-header__logo {
    height: 28px;
    width: auto;
    display: block;
}
.sf-app-header__logo-text {
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--sf-text-primary);
    letter-spacing: -0.02em;
}

/* Divider between logo and breadcrumb */
.sf-app-header__brand::after {
    content: '';
    display: block;
    width: 1px;
    height: 24px;
    background: var(--sf-border);
    margin-left: 8px;
}

/* Breadcrumb in header */
.sf-app-header__breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    flex: 1;
    min-width: 0;
}
.sf-app-header__breadcrumb .sf-breadcrumb__link {
    color: var(--sf-text-secondary);
    text-decoration: none !important;
    font-weight: 500;
    transition: color 0.15s ease;
    white-space: nowrap;
}
.sf-app-header__breadcrumb .sf-breadcrumb__link:hover {
    color: var(--sf-accent);
}
.sf-app-header__breadcrumb .sf-breadcrumb__sep {
    color: var(--sf-text-muted);
    font-size: 0.8125rem;
    user-select: none;
}
.sf-app-header__breadcrumb .sf-breadcrumb__current {
    color: var(--sf-text-primary);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* User avatar (right side) */
.sf-app-header__user {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none !important;
}
.sf-app-header__user img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--sf-border-light);
    transition: border-color 0.15s ease;
}
.sf-app-header__user:hover img {
    border-color: var(--sf-accent);
}

/* ============================================================
   MAIN LAYOUT: Sidebar + Content
   ============================================================ */
.sf-dash {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    gap: 24px;
    min-height: calc(100vh - var(--sf-header-h) - 48px);
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sf-dash-sidebar {
    width: var(--sf-sidebar-w);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-self: flex-start;
}

/* Sidebar: User Card */
.sf-dash-sidebar__user {
    text-align: center;
    padding: 24px 16px;
    background: var(--sf-bg-white);
    border-radius: var(--sf-radius-lg);
    box-shadow: var(--sf-shadow-sm);
    border: 1px solid var(--sf-border-light);
}
.sf-dash-sidebar__avatar { margin-bottom: 8px; }
.sf-dash-sidebar__avatar img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--sf-accent-light);
}
.sf-dash-sidebar__name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--sf-text-primary);
    line-height: 1.4;
}

/* Sidebar: Navigation */
.sf-dash-sidebar__nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    background: var(--sf-bg-white);
    border-radius: var(--sf-radius-lg);
    box-shadow: var(--sf-shadow-sm);
    border: 1px solid var(--sf-border-light);
    padding: 8px;
}
.sf-dash-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--sf-radius-sm);
    color: var(--sf-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none !important;
    transition: background 0.15s ease, color 0.15s ease;
    min-height: 40px;
    cursor: pointer;
    line-height: 1.4;
}
.sf-dash-nav-item:hover {
    background: var(--sf-bg-page);
    color: var(--sf-text-primary);
}
.sf-dash-nav-item.sf-nav-active {
    background: var(--sf-accent);
    color: #fff;
    font-weight: 600;
}
.sf-nav-icon {
    font-size: 1.05rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    color: var(--sf-text-muted);
    transition: color 0.15s ease;
}
.sf-dash-nav-item:hover .sf-nav-icon { color: var(--sf-accent); }
.sf-dash-nav-item.sf-nav-active .sf-nav-icon,
.sf-dash-nav-item.sf-nav-active:hover .sf-nav-icon { color: #fff; }
.sf-nav-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sf-dash-nav-divider {
    height: 1px;
    background: var(--sf-border-light);
    margin: 4px 8px;
}
.sf-dash-nav-item:focus-visible {
    outline: 2px solid var(--sf-accent);
    outline-offset: 2px;
}

/* ============================================================
   CONTENT AREA
   ============================================================ */
.sf-dash-content {
    flex: 1;
    min-width: 0;
}
.sf-dash-content .tutor-dashboard-content {
    background: var(--sf-bg-white);
    border-radius: var(--sf-radius-lg);
    box-shadow: var(--sf-shadow-sm);
    border: 1px solid var(--sf-border-light);
    padding: 32px;
    min-height: 400px;
}
.sf-dash-content .tutor-dashboard-content-inner { padding: 0; }

/* Hide old Tutor UI */
.tutor-frontend-dashboard .tutor-frontend-dashboard-header,
.tutor-frontend-dashboard .tutor-dashboard-header,
.tutor-frontend-dashboard > .tutor-container,
.tutor-frontend-dashboard > .tutor-bs-container,
.tutor-frontend-dashboard .tutor-dashboard-left-menu {
    display: none !important;
}
.sf-dash .tutor-dashboard-left-menu { display: none !important; }

/* Content headings */
.sf-dash-content .tutor-dashboard-content h3,
.sf-dash-content .tutor-dashboard-content .tutor-fs-5 {
    font-size: 1.2rem !important;
    font-weight: 700;
    color: var(--sf-text-primary);
    margin-bottom: 16px;
}

/* Stats cards grid */
.sf-dash-content .tutor-dashboard-content > .tutor-row {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;

}
/* 進行中のコース: flex row レイアウト維持 */
.sf-dash-content .tutor-course-progress-item .tutor-row {
    display: flex !important;
}
.sf-dash-content .tutor-course-progress-item .tutor-col-lg-4 {
    width: 33.333% !important;
    flex: 0 0 33.333%;
    max-width: 33.333%;
}
.sf-dash-content .tutor-course-progress-item .tutor-col-lg-8 {
    width: 66.666% !important;
    flex: 0 0 66.666%;
    max-width: 66.666%;
}

.sf-dash-content .tutor-dashboard-content .tutor-row > [class*="tutor-col"] {
    width: 100% !important;
    max-width: 100% !important;
    flex: none !important;
    padding: 0 !important;
}
.sf-dash-content .tutor-card {
    border-radius: var(--sf-radius-md) !important;
    border: 1px solid var(--sf-border) !important;
    box-shadow: none !important;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    overflow: hidden;
}
.sf-dash-content .tutor-card:hover {
    box-shadow: var(--sf-shadow-md) !important;
    transform: translateY(-2px);
}

/* Tables */
.sf-dash-content .tutor-table-responsive {
    border-radius: 0;
    overflow: hidden;
    border: 1px solid var(--sf-border);
}
.sf-dash-content .tutor-table { border-collapse: collapse; }
.sf-dash-content .tutor-table th {
    background: var(--sf-bg-page);
    font-size: 0.833rem;
    font-weight: 600;
    color: var(--sf-text-secondary);
    text-transform: none;
    padding: 10px 16px;
}
.sf-dash-content .tutor-table td {
    padding: 10px 16px;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--sf-border-light);
    vertical-align: middle;
}

/* Buttons */
.sf-dash-content .tutor-btn {
    border-radius: var(--sf-radius-sm) !important;
    font-size: 0.9375rem !important;
    padding: 12px 24px !important;
    white-space: nowrap !important;
    transition: all 0.15s ease;
}
.sf-dash-content .tutor-btn-primary,
.sf-dash-content .tutor-btn-primary:hover {
    background: var(--sf-accent) !important;
    border-color: var(--sf-accent) !important;
}

/* Pagination */
.sf-dash-content .tutor-pagination { margin-top: 24px; }

/* ============================================================
   EMPTY STATE (snippet #58)
   ============================================================ */
.sf-empty-guidance { text-align: center; padding: 48px 24px; }
.sf-empty-guidance__icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.7; }
.sf-empty-guidance__text {
    font-size: 1rem;
    color: var(--sf-text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}
.sf-empty-guidance__cta {
    display: inline-block;
    padding: 12px 32px;
    background: var(--sf-accent);
    color: #fff !important;
    border-radius: var(--sf-radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none !important;
    transition: background 0.2s ease, transform 0.2s ease;
}
.sf-empty-guidance__cta:hover {
    background: var(--sf-accent-hover);
    transform: translateY(-1px);
}
.sf-empty-guidance__cta:focus-visible {
    outline: 2px solid var(--sf-accent);
    outline-offset: 2px;
}

/* ============================================================
   NOTICE (snippet #23)
   ============================================================ */
.sf-dashboard-notice {
    background: var(--sf-accent-light);
    border-left: 3px solid var(--sf-accent);
    border-radius: 0 var(--sf-radius-sm) var(--sf-radius-sm) 0;
    padding: 10px 16px;
    margin-bottom: 16px;
    font-size: 0.833rem;
    color: var(--sf-text-primary);
}
.sf-dashboard-notice a { color: var(--sf-accent-dark); font-weight: 600; }

/* ============================================================
   POINTS BADGE (snippet #13)
   ============================================================ */
/* .sf-points-badge removed - unused */

/* Hide Tutor bottom padding */
.tutor-frontend-dashboard.tutor-pb-80 { padding-bottom: 0 !important; }

/* ============================================================
   MOBILE BOTTOM NAV — 5 items (NN/g: max 5, Acclaim: +65% DAU)
   Serial Position: important items first and last
   ============================================================ */
.sf-mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--sf-bg-white);
    box-shadow: 0 -2px 12px rgba(0,0,0,0.1);
    z-index: 999;
    padding: 6px 0 calc(6px + env(safe-area-inset-bottom, 0px));
    grid-template-columns: repeat(4, 1fr);
}
.sf-mobile-nav__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 4px 0;
    color: var(--sf-text-muted);
    font-size: max(11px, 0.75rem);
    text-decoration: none !important;
    background: none;
    border: none;
    cursor: pointer;
    min-height: 48px; /* MD3: 48px touch target */
    transition: color 0.15s ease;
    -webkit-tap-highlight-color: transparent;
}
.sf-mobile-nav__item--active,
.sf-mobile-nav__item:hover {
    color: var(--sf-accent);
}
.sf-mobile-nav__icon {
    font-size: 1.375rem;
    line-height: 1;
}
.sf-mobile-nav__label {
    font-weight: 500;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

/* Hide old mobile footer */
#tutor-dashboard-footer-mobile { display: none !important; }

/* ============================================================
   MORE SLIDE-UP MENU (mobile)
   ============================================================ */
.sf-more-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0);
    z-index: 1001;
    transition: background 0.3s ease;
}
.sf-more-overlay--active {
    display: flex !important;
    align-items: flex-end;
    background: rgba(0,0,0,0.4);
}
.sf-more-menu {
    width: 100%;
    background: var(--sf-bg-white);
    border-radius: 20px 20px 0 0;
    padding: 8px 20px calc(20px + env(safe-area-inset-bottom, 0px));
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
    max-height: 70vh;
    overflow-y: auto;
}
.sf-more-overlay--active .sf-more-menu {
    transform: translateY(0);
}

/* More menu: drag indicator */
.sf-more-menu::before {
    content: '';
    display: block;
    width: 36px;
    height: 4px;
    background: var(--sf-border);
    border-radius: 2px;
    margin: 0 auto 16px;
}

/* More menu: header with user info */
.sf-more-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--sf-border-light);
}
.sf-more-menu__user {
    display: flex;
    align-items: center;
    gap: 10px;
}
.sf-more-menu__avatar img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}
.sf-more-menu__name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--sf-text-primary);
}
.sf-more-menu__close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--sf-text-muted);
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
    border-radius: var(--sf-radius-sm);
}
.sf-more-menu__close:hover { color: var(--sf-text-primary); background: var(--sf-bg-page); }

/* More menu: nav links */
.sf-more-menu__nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.sf-more-menu__link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 8px;
    border-radius: var(--sf-radius-sm);
    color: var(--sf-text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none !important;
    min-height: 44px; /* Fitts' Law */
    transition: background 0.15s ease;
}
.sf-more-menu__link:hover { background: var(--sf-bg-page); color: var(--sf-text-primary); }
.sf-more-menu__link--active { color: var(--sf-accent); font-weight: 600; }
.sf-more-menu__icon {
    font-size: 1.1rem;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
    color: var(--sf-text-muted);
}
.sf-more-menu__link:hover .sf-more-menu__icon { color: var(--sf-accent); }
.sf-more-menu__link--active .sf-more-menu__icon { color: var(--sf-accent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
    .sf-app-header__inner { padding: 0 16px; }
    .sf-dash { padding: 16px; gap: 16px; }
    .sf-dash-sidebar { width: 180px; }
    .sf-dash-content .tutor-dashboard-content { padding: 24px; }
    .sf-dash-content .tutor-dashboard-content > .tutor-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile: hide sidebar, show bottom nav */
@media (max-width: 767px) {
    :root { --sf-header-h: 52px; }

    /* App header: compact on mobile */
    .sf-app-header__inner { padding: 0 12px; gap: 10px; }
    .sf-app-header__logo { height: 24px; }
    .sf-app-header__brand::after { height: 20px; margin-left: 4px; }
    .sf-app-header__breadcrumb { font-size: max(13px, 0.875rem); }
    .sf-app-header__breadcrumb .sf-breadcrumb__link { display: none; }
    .sf-app-header__breadcrumb .sf-breadcrumb__sep { display: none; }
    .sf-app-header__user img { width: 28px; height: 28px; }

    /* Layout */
    .sf-dash { flex-direction: column; padding: 16px; }
    .sf-dash-sidebar { display: none; }
    .sf-dash-content .tutor-dashboard-content {
        padding: 16px;
        border-radius: var(--sf-radius-md);
    }
    .sf-dash-content .tutor-dashboard-content > .tutor-row {
        grid-template-columns: 1fr;
    }
    /* Show mobile bottom nav */
    .sf-mobile-nav { display: grid; }
    .tutor-frontend-dashboard.tutor-pb-80 {
        padding-bottom: 72px !important;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .sf-dash { padding: 8px; }
    .sf-dash-content .tutor-dashboard-content { padding: 16px; }
}
/* ============================================================
   SHOP PAGE — 2-column grid (desktop)
   ============================================================ */
.sf-dash-content .products-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.sf-dash-content .product-card {
    background: var(--sf-bg-white);
    border-radius: var(--sf-radius-md);
    border: 1px solid var(--sf-border);
    overflow: hidden;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.sf-dash-content .product-card:hover {
    box-shadow: var(--sf-shadow-md);
    transform: translateY(-2px);
}
.sf-dash-content .product-image-wrap img {
    width: 100%;
    height: auto;
    display: block;
}
.sf-dash-content .product-details {
    padding: 16px;
}
/* Shop grid: 1 column on mobile */
@media (max-width: 767px) {
    .sf-dash-content .products-container {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ============================================================
   HEADER STATUS BADGES (Duolingo pattern — brand blue)
   Points ★ + Tickets ✎ in header
   Research: 43% abandon when balance invisible (Markswebb)
   Color: brand blue for consistency (Jakob's Law)
   ============================================================ */
.sf-header-status {
    display: none; /* Hidden on desktop (sidebar shows points) */
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
/* Show on mobile (sidebar is hidden) */
@media (max-width: 767px) {
    .sf-header-status {
        display: flex;
    }
}
/* ============================================================
   MOBILE: Flat content (remove unnecessary borders)
   NN/g: "whitespace alone creates effective groupings"
   MD3: mobile cards elevation 0dp
   ============================================================ */
@media (max-width: 767px) {
    /* Content area: remove card wrapping — full width = no need for border */
    .sf-dash-content .tutor-dashboard-content {
        background: transparent;
        border: none;
        box-shadow: none;
        border-radius: 0;
        padding: 12px 0;
    }

    /* Page background: white on mobile (content blends in) */
    .tutor-frontend-dashboard {
        background: #fff !important;
    }

    /* Dashboard layout: tighter padding */
    .sf-dash {
        padding: 8px 4px;
    }

    /* Stats cards: lighter border, no shadow */
    .sf-dash-content .tutor-card {
        border: 1px solid var(--sf-border-light) !important;
        box-shadow: none !important;
    }
    .sf-dash-content .tutor-card:hover {
        box-shadow: none !important;
        transform: none;
    }

    /* Shop products: lighter treatment */
    .sf-dash-content .product-card {
        border-color: var(--sf-border-light);
        box-shadow: none;
    }
    .sf-dash-content .product-card:hover {
        box-shadow: none;
        transform: none;
    }

    /* Notice: full width, no left border rounding issue */
    .sf-dashboard-notice {
        border-radius: 0 var(--sf-radius-sm) var(--sf-radius-sm) 0;
        margin-left: -4px;
        margin-right: -4px;
    }

    /* Tables: simpler borders */
    .sf-dash-content .tutor-table-responsive {
        border: none;
        border-radius: 0;
    }
}
/* Header status badges: mobile only (desktop has sidebar) */
#sf-header-status { display: none !important; }
@media (max-width: 767px) {
    #sf-header-status { display: flex !important; }
}
/* ========================================
   Course List (dashboard sub-page)
   ======================================== */
.sf-course-list__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 24px 0;
}
.sf-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}
.sf-course-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
    border: 1px solid #f0f0f5;
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.2s, transform 0.15s;
}

.sf-course-card__thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #f5f5f5;
}
.sf-course-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.sf-course-card__thumb-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 2.5rem;
    background: linear-gradient(135deg, #e8f4fd, #d6ecfa);
}
.sf-course-card__badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: max(11px, 0.75rem);
    font-weight: 700;
    line-height: 1.4;
}
.sf-course-card__badge--enrolled {
    background: #1cb0f8;
    color: #fff;
}
.sf-course-card__body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.sf-course-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sf-course-card__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: #888;
}
.sf-course-card__progress {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
}
.sf-course-card__progress-bar {
    flex: 1;
    height: 6px;
    background: #eee;
    border-radius: 3px;
    overflow: hidden;
}
.sf-course-card__progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #1cb0f8, #0d8ecf);
    border-radius: 3px;
    transition: width 0.3s;
}
.sf-course-card__progress-text {
    font-size: 0.75rem;
    font-weight: 700;
    color: #1cb0f8;
    white-space: nowrap;
}

/* Mobile: single column */
@media (max-width: 767px) {
    .sf-course-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .sf-course-card {
        flex-direction: row;
        border-radius: 12px;
    }
    .sf-course-card__thumb {
        width: 120px;
        min-width: 120px;
        aspect-ratio: auto;
        height: auto;
    }
    .sf-course-card__body {
        padding: 12px;
    }
    .sf-course-card__title {
        font-size: 0.9rem;
    }
    .sf-course-card__badge {
        top: 6px;
        left: 6px;
        padding: 2px 6px;
        font-size: 0.65rem;
    }
}
/* ========================================
   Course Detail — 1 Column Layout
   ======================================== */
.sf-course-detail {
    max-width: 100%;
}

/* Header: thumbnail + info side by side */
.sf-course-detail__header {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    margin-bottom: 24px;
}
.sf-course-detail__thumb {
    flex-shrink: 0;
    width: 200px;
    border-radius: var(--sf-radius-md, 8px);
    overflow: hidden;
    background: #f5f5f5;
}
.sf-course-detail__thumb img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}
.sf-course-detail__thumb-placeholder {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #e8f4fd, #d6ecfa);
}
.sf-course-detail__info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.sf-course-detail__title {
    font-size: 1.375rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0;
    line-height: 1.5;
}
.sf-course-detail__status {
    font-size: 0.875rem;
    color: #94a3b8;
    margin: 0;
}

/* Progress bar */
.sf-course-detail__progress {
    display: flex;
    align-items: center;
    gap: 12px;
}
.sf-course-detail__progress-bar {
    flex: 1;
    max-width: 200px;
    height: 8px;
    background: #eee;
    border-radius: 4px;
    overflow: hidden;
}
.sf-course-detail__progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #1cb0f8, #0d8ecf);
    border-radius: 4px;
    transition: width 0.3s;
}
.sf-course-detail__progress-text {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #64748b;
    white-space: nowrap;
}

/* CTA button */
.sf-course-detail__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    background: #1cb0f8;
    color: #fff !important;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 600 !important;
    text-decoration: none !important;
    transition: background 0.15s ease, transform 0.15s ease;
    align-self: flex-start;
}
.sf-course-detail__btn:hover {
    background: #0ea5e9;
    transform: translateY(-1px);
}

/* Tabs area */
.sf-course-detail__tabs {
    margin-top: 0;
}

/* Override Tutor's inner container styles */
.sf-course-detail .tutor-container {
    max-width: 100%;
    padding: 0;
}

/* Ensure opacity */
.sf-dash-content .sf-course-detail .tutor-page-wrap,
.sf-dash-content .sf-course-detail .tutor-wrap {
    opacity: 1 !important;
}

/* Mobile: stack header vertically */
@media (max-width: 767px) {
    .sf-course-detail__header {
        flex-direction: column;
        gap: 16px;
    }
    .sf-course-detail__thumb {
        width: 100%;
        max-width: 280px;
    }
    .sf-course-detail__title {
        font-size: 1.1rem;
    }
    .sf-course-detail__progress-bar {
        max-width: 160px;
    }
}

/* Hide Tutor's default course detail nesting when inside dashboard */
.sf-dash-content .tutor-course-details-page { max-width: 100%; padding: 0; }
.sf-dash-content .tutor-full-width-course-top { padding: 0; margin: 0; }

/* ========================================
   Course List Grid — Mobile 2 columns
   ======================================== */
@media (max-width: 767px) {
    /* コース一覧: 左右余白を最小化 */
    .sf-dash-content .tutor-grid.tutor-grid-2 {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px;
        margin: 0 -4px;
    }
    .sf-dash-content .tutor-grid.tutor-grid-2 .tutor-card .tutor-card-body {
        padding: 8px;
        display: flex !important;
        flex-direction: column !important;
        row-gap: 16px !important;
    }
    .sf-dash-content .tutor-course-ratings {
        display: none !important;
        margin: 0 !important;
    }
    .sf-dash-content .tutor-grid.tutor-grid-2 .tutor-course-name {
        font-size: 1.125rem !important;
        margin-bottom: 0 !important;
        line-height: 1.4 !important;
    }
    .sf-dash-content .tutor-progress-bar.tutor-mt-12 {
        margin-top: 6px !important;
    }
    .sf-dash-content .tutor-card-body .tutor-mt-24 {
        margin-top: 0 !important;
    }
    .sf-dash-content .tutor-card-footer {
        padding: 6px 10px 8px !important;
    }
    .sf-dash-content .tutor-grid.tutor-grid-2 .tutor-card img {
        border-radius: 8px 8px 0 0;
    }
}




/* === Dashboard Consistency Fixes (統一修正) === */

/* 1. Q&A page: fix title & filter row alignment (12px shift from tutor-row negative margin) */
.sf-dash-content .tutor-frontend-dashboard-qna-header > .tutor-row {
    margin-left: 0 !important;
    margin-right: 0 !important;
}

/* 2. Password settings: same max-width as profile inputs */
.sf-dash-content input[type="password"].tutor-form-control,
.sf-dash-content .tutor-password-field {
    max-width: 400px !important;
}

/* 3. Buttons: consistent weight & slightly better proportions */
.sf-dash-content .tutor-btn {
    font-weight: 600 !important;
    font-size: 0.9375rem !important;
}
/* Form labels: slightly larger for readability */
.sf-dash-content label,
.sf-dash-content .tutor-form-label {
    font-size: 0.9375rem !important;
}

/* PMPro buttons: match Tutor buttons */
.sf-dash-content .pmpro_btn,
.sf-dash-content .pmpro_btn.pmpro_btn-submit-checkout,
.sf-dash-content input.pmpro_btn[type="submit"] {
    font-weight: 600 !important;
    font-size: 0.9375rem !important;
}


/* 4. Settings title: match other page title style */
.sf-dash-content .tutor-fs-4.tutor-fw-medium.tutor-mb-24 {
    font-size: 1.5rem !important;
    font-weight: 700 !important;
}

/* 5. Shop page: add missing title */
.sf-dash-content .shodofam-shop::before {
    content: "ショップ";
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 20px;
}

/* 6. Profile update button: align with input fields */
.sf-dash-content .tutor-dashboard-setting-profile button[type="submit"] {
    margin-left: 12px;
}

/* 7. Payment form (PMPro): reduce padding on mobile for wider inputs */
@media (max-width: 767px) {
    .sf-dash-content .pmpro_card_content {
        padding: 16px !important;
    }
    .sf-dash-content .pmpro_card .pmpro_card_content {
        padding: 12px !important;
    }
    .sf-dash-content .pmpro_form_field .StripeElement {
        padding: 10px !important;
    }
}

/* 10. Password form: match profile input width on mobile */
@media (max-width: 767px) {
    .sf-dash-content .tutor-dashboard-content-inner:not(.tutor-dashboard-setting-profile) form .tutor-row {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    .sf-dash-content .tutor-dashboard-content-inner:not(.tutor-dashboard-setting-profile) form .tutor-row > [class*="tutor-col"] {
        width: 100% !important;
        max-width: 100% !important;
        flex: 0 0 100% !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
}

/* Hide '評価待ち' text globally — status badge already conveys this */
.sf-dash-content .tutor-table tbody td:last-child > span.tutor-fs-7 {
    display: none !important;
}

/* ========================================
   Dashboard Tables — Mobile Card Layout
   ======================================== */
@media (max-width: 767px) {
    .sf-dash-content .tutor-table-responsive {
        overflow: hidden;
        border: none !important;
        border-radius: 0;
        max-width: 100%;
    }
    .sf-dash-content .tutor-table thead {
        display: none;
    }
    .sf-dash-content .tutor-table,
    .sf-dash-content .tutor-table tbody {
        display: block;
        width: 100% !important;
        max-width: 100%;
        border: none !important;
    }
    .sf-dash-content .tutor-table tbody tr {
        display: flex;
        flex-wrap: wrap;
        align-items: flex-start;
        background: #fff;
        border-radius: 14px;
        padding: 16px;
        margin-bottom: 12px;
        gap: 0;
        border: none !important;
        box-shadow: 0 1px 4px rgba(0,0,0,0.06);
        position: relative;
    }
    .sf-dash-content .tutor-table tbody td {
        border: none !important;
        padding: 0 !important;
    }
    /* 1st cell: main info - full width */
    .sf-dash-content .tutor-table tbody td:first-child {
        flex: 0 0 100%;
        padding-bottom: 10px !important;
        margin-bottom: 10px;
        border-bottom: 1px solid #f1f5f9 !important;
    }
    /* Date: smaller, muted */
    .sf-dash-content .tutor-table tbody td:first-child .tutor-fs-7.tutor-color-muted {
        font-size: 0.7rem !important;
        color: #94a3b8 !important;
        margin-bottom: 4px;
    }
    /* Title: bold, prominent */
    .sf-dash-content .tutor-table tbody td:first-child .tutor-fs-6 {
        font-size: 0.95rem !important;
        font-weight: 700 !important;
        color: #1a1a2e !important;
        margin-bottom: 2px;
    }
    /* Course: small, secondary */
    .sf-dash-content .tutor-table tbody td:first-child .tutor-fs-7:not(.tutor-color-muted) {
        font-size: 0.75rem !important;
        color: #64748b !important;
    }
    /* Other cells: inline row at bottom, vertically centered */
    .sf-dash-content .tutor-table tbody td:not(:first-child) {
        flex: 0 0 auto;
        margin-right: 10px;
        display: flex;
        align-items: center;
    }
    /* Status badges: pill style */
    .sf-dash-content .tutor-table tbody td .tutor-badge-label {
        font-size: 0.875rem !important;
        padding: 10px 20px !important;
        border-radius: 8px !important;
        font-weight: 600 !important;
    }
    /* Hide "評価待ち" text in detail column — status badge already shows this info */
    .sf-dash-content .tutor-table tbody td:not(:first-child) > span.tutor-fs-7 {
        display: none !important;
    }
    /* CTA button: proper rectangle */
    .sf-dash-content .tutor-table tbody td .tutor-btn {
        padding: 10px 20px !important;
        font-size: 0.875rem !important;
        border-radius: 8px !important;
        font-weight: 600 !important;
        white-space: nowrap;
    }

    /* Q&A page: question title */
    .sf-dash-content .tutor-table tbody td:first-child .tutor-fs-6.tutor-fw-medium {
        font-weight: 700 !important;
    }
}

/* Table badges: bigger, match button proportion */
.sf-dash-content .tutor-table .tutor-badge-label {
    padding: 6px 14px !important;
    font-size: 0.8125rem !important;
    border-radius: 20px !important;
    line-height: 1.4;
}

/* Table buttons: smaller than general buttons, no wrap */
.sf-dash-content .tutor-table .tutor-btn {
    white-space: nowrap;
    padding: 8px 20px !important;
}

/* ========================================
   Enrolled Courses & Q&A — Unified Styling
   ======================================== */

/* 1. Course title: bigger on mobile, fit grid on desktop */
.sf-dash-content .tutor-course-name.tutor-fs-6 {
    font-size: 18px !important;
    line-height: 1.4 !important;
}
@media (max-width: 767px) {
    .sf-dash-content .tutor-course-name.tutor-fs-6 {
        font-size: 18px !important;
    }}

/* 2. Progress text: readable size */
.sf-dash-content .tutor-course-progress .tutor-fs-6.tutor-color-secondary {
    font-size: 14px !important;
}

/* 3. Outline buttons: solid fill instead of ghost (all sizes) */
.sf-dash-content .tutor-btn.tutor-btn-outline-primary {
    background: var(--sf-accent) !important;
    color: #fff !important;
    border-color: var(--sf-accent) !important;
    font-weight: 600 !important;
    border-radius: var(--sf-radius-sm) !important;
    white-space: nowrap !important;
    transition: background 0.15s ease !important;
}
.sf-dash-content .tutor-btn.tutor-btn-outline-primary.tutor-btn-md {
    font-size: 14px !important;
}
.sf-dash-content .tutor-btn.tutor-btn-outline-primary.tutor-btn-sm {
    font-size: 14px !important;
    padding: 8px 16px !important;
}
.sf-dash-content .tutor-btn.tutor-btn-outline-primary:hover {
    background: var(--sf-accent-hover) !important;
    border-color: var(--sf-accent-hover) !important;
}

/* 4. Tab nav: left-align on mobile */
@media (max-width: 767px) {
    .sf-dash-content .tutor-nav {
        justify-content: flex-start !important;
    }}

/* ========================================
   Q&A & Assignment FB — Table-to-Card
   ======================================== */

/* 1. Remove table wrapper border */
.sf-dash-content .tutor-table-responsive {
    border: none !important;
    border-radius: 0 !important;
    overflow: visible !important;
}

/* 2. Hide table headers */
.sf-dash-content .tutor-table thead {
    display: none !important;
}

/* 3. Table + tbody: block display */
.sf-dash-content .tutor-table,
.sf-dash-content .tutor-table tbody {
    display: block !important;
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    border: none !important;
}

/* 4. Each row = card */
.sf-dash-content .tutor-table tbody tr {
    display: flex !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    background: #fff !important;
    border-radius: 8px !important;
    border: 1px solid #e2e8f0 !important;
    box-shadow: none !important;
    padding: 18px 20px !important;
    margin-bottom: 12px !important;
    gap: 12px !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    transition: box-shadow 0.15s ease !important;
}
.sf-dash-content .tutor-table tbody tr:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.08) !important;
}

/* 5. Reset TD borders/padding */
.sf-dash-content .tutor-table tbody td {
    border: none !important;
    border-bottom: none !important;
    padding: 0 !important;
    vertical-align: middle !important;
}

/* 6. First column: flex grow */
.sf-dash-content .tutor-table tbody td:first-child {
    flex: 1 !important;
    min-width: 0 !important;
    display: block !important;
}

/* 7. Other columns: shrink-to-fit */
.sf-dash-content .tutor-table tbody td:not(:first-child) {
    flex-shrink: 0 !important;
    display: flex !important;
    align-items: center !important;
}

/* --- Q&A specific --- */

/* Q&A: hide reply count column */
.sf-dash-content .qna-list-table tbody td:nth-child(2) {
    display: none !important;
}

/* Q&A: remove inner card (TR is now the card) */
.sf-dash-content .qna-list-table .tutor-qna-question-col {
    background: transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
}

/* Q&A: question body layout */
.sf-dash-content .qna-list-table .tutor-qna-question-body {
    flex: 1 !important;
    min-width: 0 !important;
}
.sf-dash-content .qna-list-table .tutor-qna-question-body .tutor-fs-6 {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: #1a1a1a !important;
    line-height: 1.4 !important;
}
.sf-dash-content .qna-list-table .tutor-qna-question-body .tutor-fs-7 {
    font-size: 13px !important;
    color: #888 !important;
}

/* Q&A: header/filter spacing */
.sf-dash-content .tutor-frontend-dashboard-qna-header {
    margin-bottom: 16px !important;
}

/* --- Assignment Feedback specific --- */

/* Assignment: title styling */
.sf-dash-content .tutor-table tbody td:first-child .tutor-fs-6.tutor-fw-medium {
    font-size: 14px !important;
    font-weight: 700 !important;
    color: #1a1a1a !important;
}
.sf-dash-content .tutor-table tbody td:first-child .tutor-fs-7 {
    font-size: 13px !important;
    color: #888 !important;
}

/* --- Mobile: stack card content --- */
@media (max-width: 767px) {
    .sf-dash-content .tutor-table,
    .sf-dash-content .tutor-table tbody {
        min-width: 0 !important;
        width: 100% !important;
        overflow: visible !important;
    }
    .sf-dash-content .tutor-table tbody tr {
        flex-wrap: wrap !important;
        padding: 14px 16px !important;
        gap: 8px !important;
        margin-bottom: 10px !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
    }
    .sf-dash-content .tutor-table tbody td:first-child {
        word-break: break-word !important;
        overflow-wrap: break-word !important;
    }
    .sf-dash-content .tutor-table tbody td:last-child {
        overflow: visible !important;
    }
    .sf-dash-content .tutor-table tbody td:first-child {
        width: 100% !important;
        flex-basis: 100% !important;
    }
    .sf-dash-content .qna-list-table .tutor-qna-question-body .tutor-fs-6 {
        font-size: 14px !important;
    }
}

/* Q&A: hide kebab menu for students (unnecessary + risky delete) */
.sf-dash-content .frontend-dashboard-qna-table-student .tutor-dropdown-parent {
    display: none !important;
}

/* Shop: unify product card border with other pages */
.sf-dash-content .product-card {
    border: 1px solid #e2e8f0 !important;
    border-radius: 8px !important;
    box-shadow: none !important;
    background: #fff !important;
    overflow: hidden !important;
}
/* Enrolled courses: ensure consistent border */
.sf-dash-content .tutor-card.tutor-course-card {
    border: 1px solid #e2e8f0 !important;
    border-radius: 8px !important;
    box-shadow: none !important;
}

/* Shop: hide points badge in toolbar (already in sidebar) */
.sf-dash-content .shop-toolbar .points-display {
    display: none !important;
}


/* ============================================================
   UI調整 (旧 snippet #62 から統合)
   ============================================================ */

/* SWELLロゴリンク: ダッシュボードのみクリック無効化 */
body.tutor-dashboard .c-headLogo__link {
    pointer-events: none;
    cursor: default;
}

/* Q&Aフィルタ非表示 */
.tutor-qna-filter {
    display: none !important;
}

/* Q&A sticky bar: static */
.tutor-qa-sticky-bar {
    position: static !important;
}

/* Q&A: URL折り返し */
.tutor-qna-text {
    max-width: 100% !important;
    word-break: break-all !important;
    overflow-wrap: anywhere !important;
}

/* ページタイトル 24px */
.sf-dash-content .tutor-dashboard-content .tutor-fs-5.tutor-fw-medium.tutor-color-black {
    font-size: 1.5rem !important;
}

/* ショップ: padding-top除去 */
.sf-dash-content .shodofam-shop.tutor-style {
    padding-top: 0 !important;
}

/* App Headerの幅調整 (PC only) */
@media (min-width: 768px) {
    .sf-app-header__inner {
        max-width: 1096px !important;
        padding-left: 48px !important;
        padding-right: 48px !important;
    }
}

/* Q&A 未読通知バッジ */
.sf-nav-badge {
    background: #f44337;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    border-radius: 9px;
    padding: 0 5px;
    margin-left: auto;
}
/* アクティブ時は白背景赤文字 */
.sf-dash-nav-item.sf-nav-active .sf-nav-badge {
    background: #fff;
    color: #f44337;
}

/* Q&A一覧: 未読の質問ドット赤 */
.tutor-qna-question-col:not(.is-read) .tutor-form-feedback-icon {
    color: #f44337 !important;
}