/* ============================================================
   SSBMT Admin Dashboard Styles
   ============================================================ */

:root {
    --adm-primary:      #800000;
    --adm-primary-dk:   #5a0000;
    --adm-green:        #228B22;
    --adm-green-dk:     #166116;
    --adm-sidebar-w:    240px;
    --adm-topbar-h:     56px;
    --adm-bg:           #f4f6f9;
    --adm-card-bg:      #ffffff;
    --adm-border:       #e2e8f0;
    --adm-text:         #1e293b;
    --adm-muted:        #64748b;
    --adm-shadow:       0 1px 6px rgba(0,0,0,.08);
    --adm-radius:       8px;
    --font:             -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

body.admin-body {
    margin:      0;
    font-family: var(--font);
    background:  var(--adm-bg);
    color:       var(--adm-text);
    font-size:   .9375rem;
}

/* ── Top Bar ─────────────────────────────────────────────── */
.admin-topbar {
    position:        fixed;
    top:             0; left: 0; right: 0;
    height:          var(--adm-topbar-h);
    background:      var(--adm-primary);
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    padding:         0 20px 0 14px;
    z-index:         1000;
    box-shadow:      0 2px 8px rgba(128,0,0,.3);
}

.admin-topbar-left  { display: flex; align-items: center; gap: 12px; }
.admin-topbar-right { display: flex; align-items: center; gap: 16px; }

.sidebar-toggle {
    background: none; border: none; color: #fff;
    font-size: 1.2rem; cursor: pointer; padding: 4px 6px;
    border-radius: 4px; line-height: 1;
    transition: background .2s;
}
.sidebar-toggle:hover { background: rgba(255,255,255,.15); }

.admin-brand {
    color: #fff; font-weight: 700; font-size: 1rem;
    text-decoration: none; letter-spacing: .3px;
}
.admin-brand:hover { color: #fff; }

.admin-user-chip {
    color: rgba(255,255,255,.85); font-size: .82rem;
}

.admin-toplink {
    color: rgba(255,255,255,.8); font-size: .82rem;
    text-decoration: none; padding: 4px 10px;
    border-radius: 4px; transition: background .2s, color .2s;
}
.admin-toplink:hover { background: rgba(255,255,255,.15); color: #fff; }
.admin-toplink-danger:hover { background: rgba(220,38,38,.3); color: #fff; }

/* ── Layout ──────────────────────────────────────────────── */
.admin-layout {
    display:    flex;
    margin-top: var(--adm-topbar-h);
    min-height: calc(100vh - var(--adm-topbar-h));
    transition: all .25s;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.admin-sidebar {
    width:       var(--adm-sidebar-w);
    background:  #fff;
    border-right: 1px solid var(--adm-border);
    flex-shrink: 0;
    position:    fixed;
    top:         var(--adm-topbar-h);
    bottom:      0;
    height:      calc(100vh - var(--adm-topbar-h));
    overflow-y:  auto;
    overflow-x:  hidden;
    transition:  width .25s, transform .25s;
    z-index:     900;
    scrollbar-width: thin;
    scrollbar-color: #e2e8f0 transparent;
}
.admin-sidebar::-webkit-scrollbar { width: 4px; }
.admin-sidebar::-webkit-scrollbar-track { background: transparent; }
.admin-sidebar::-webkit-scrollbar-thumb { background: #e2e8f0; border-radius: 4px; }
.admin-sidebar::-webkit-scrollbar-thumb:hover { background: #cbd5e1; }

.admin-main {
    margin-left: var(--adm-sidebar-w);
    flex:        1;
    transition:  margin-left .25s;
}

/* Collapsed sidebar */
.admin-layout.sidebar-collapsed .admin-sidebar {
    transform: translateX(calc(-1 * var(--adm-sidebar-w)));
}
.admin-layout.sidebar-collapsed .admin-main {
    margin-left: 0;
}

.admin-content-wrap { padding: 28px 32px; }

/* Sidebar nav */
.sidebar-nav { padding: 4px 0 8px; }

.sidebar-section-label {
    font-size:      .6rem;
    font-weight:    700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color:          var(--adm-muted);
    padding:        5px 16px 2px;
    margin-top:     4px !important;
}

.sidebar-link {
    display:     flex;
    align-items: center;
    gap:         8px;
    padding:     5px 16px;
    color:       var(--adm-text);
    text-decoration: none;
    font-size:   .8rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition:  background .15s, color .15s, border-color .15s;
    line-height: 1.4;
}
.sidebar-link:hover {
    background:  rgba(128,0,0,.06);
    color:       var(--adm-primary);
}
.sidebar-link.active {
    background:   rgba(128,0,0,.08);
    color:        var(--adm-primary);
    font-weight:  700;
    border-left-color: var(--adm-primary);
}
.sidebar-icon { font-size: .85rem; width: 16px; text-align: center; flex-shrink: 0; }
/* Override Bootstrap mt-3 on section labels */
.sidebar-nav .mt-3 { margin-top: 4px !important; }

/* ── Page Header ─────────────────────────────────────────── */
.admin-page-header {
    margin-bottom: 28px;
    display:       flex;
    align-items:   center;
    justify-content: space-between;
    flex-wrap:     wrap;
    gap:           12px;
}
.admin-page-header h1 {
    font-size:   1.5rem;
    font-weight: 800;
    color:       var(--adm-primary);
    margin:      0;
}
.admin-breadcrumb {
    font-size: .8rem; color: var(--adm-muted); margin-top: 3px;
}

/* ── Stat Cards ──────────────────────────────────────────── */
.stat-card {
    background:    var(--adm-card-bg);
    border-radius: var(--adm-radius);
    border:        1px solid var(--adm-border);
    padding:       22px 24px;
    display:       flex;
    align-items:   center;
    justify-content: space-between;
    box-shadow:    var(--adm-shadow);
    border-left:   4px solid var(--adm-primary);
    transition:    box-shadow .2s, transform .2s;
}
.stat-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.12); transform: translateY(-2px); }
.stat-card.green  { border-left-color: var(--adm-green); }
.stat-card.blue   { border-left-color: #2563eb; }
.stat-card.orange { border-left-color: #d97706; }

.stat-card-body h2 {
    font-size:   2rem;
    font-weight: 900;
    margin:      0 0 2px;
    color:       var(--adm-text);
    line-height: 1;
}
.stat-card-body p {
    font-size: .82rem; color: var(--adm-muted); margin: 0;
    font-weight: 500; text-transform: uppercase; letter-spacing: .5px;
}
.stat-card-icon {
    font-size: 2.4rem; opacity: .18;
}

/* ── Admin Card ──────────────────────────────────────────── */
.admin-card {
    background:    var(--adm-card-bg);
    border:        1px solid var(--adm-border);
    border-radius: var(--adm-radius);
    box-shadow:    var(--adm-shadow);
    margin-bottom: 24px;
}
.admin-card-header {
    padding:        14px 20px;
    border-bottom:  1px solid var(--adm-border);
    display:        flex;
    align-items:    center;
    justify-content: space-between;
    background:     #fafafa;
    border-radius:  var(--adm-radius) var(--adm-radius) 0 0;
}
.admin-card-header h5 {
    margin:      0;
    font-size:   .95rem;
    font-weight: 700;
    color:       var(--adm-text);
}
.admin-card-body { padding: 20px; }

/* ── Buttons ─────────────────────────────────────────────── */
/* Override Bootstrap 5 --bs-link-color at the element level */
.btn-adm-primary,
a.btn-adm-primary,
button.btn-adm-primary,
body.admin-body a.btn-adm-primary {
    --bs-link-color: #fff;
    --bs-link-hover-color: #fff;
    background:    var(--adm-primary);
    color:         #fff !important;
    border:        none;
    font-weight:   600;
    border-radius: 6px;
    padding:       8px 20px;
    transition:    background .2s;
    font-size:     .88rem;
    cursor:        pointer;
    text-decoration: none !important;
    display:       inline-block;
}
.btn-adm-primary:hover,
a.btn-adm-primary:hover {
    background: var(--adm-primary-dk);
    color: #fff !important;
}

.btn-adm-green,
a.btn-adm-green,
button.btn-adm-green,
body.admin-body a.btn-adm-green {
    --bs-link-color: #fff;
    --bs-link-hover-color: #fff;
    background:    var(--adm-green);
    color:         #fff !important;
    border:        none;
    font-weight:   600;
    border-radius: 6px;
    padding:       8px 20px;
    font-size:     .88rem;
    cursor:        pointer;
    transition:    background .2s;
    text-decoration: none !important;
    display:       inline-block;
}
.btn-adm-green:hover,
a.btn-adm-green:hover {
    background: var(--adm-green-dk);
    color: #fff !important;
}

.btn-adm-outline,
a.btn-adm-outline,
button.btn-adm-outline,
body.admin-body a.btn-adm-outline {
    --bs-link-color: var(--adm-primary);
    --bs-link-hover-color: #fff;
    background:    transparent;
    color:         var(--adm-primary) !important;
    border:        1px solid var(--adm-primary);
    font-weight:   600;
    border-radius: 6px;
    padding:       7px 18px;
    font-size:     .88rem;
    cursor:        pointer;
    transition:    background .2s, color .2s;
    text-decoration: none !important;
    display:       inline-block;
}
.btn-adm-outline:hover,
a.btn-adm-outline:hover {
    background: var(--adm-primary);
    color:      #fff !important;
}

.btn-adm-ghost,
a.btn-adm-ghost,
button.btn-adm-ghost {
    background:    #f8fafc;
    color:         #374151 !important;
    border:        1px solid #e2e8f0;
    font-weight:   600;
    border-radius: 6px;
    padding:       4px 12px;
    font-size:     .8rem;
    cursor:        pointer;
    transition:    background .15s, border-color .15s;
    text-decoration: none !important;
    display:       inline-flex;
    align-items:   center;
    gap:           4px;
    line-height:   1.4;
    vertical-align: middle;
}
.btn-adm-ghost:hover,
a.btn-adm-ghost:hover,
button.btn-adm-ghost:hover {
    background:    #f1f5f9;
    border-color:  #cbd5e1;
    color:         #1e293b !important;
}

/* ── Tables ──────────────────────────────────────────────── */
.admin-table thead th {
    background:  var(--adm-primary);
    color:       #fff;
    font-weight: 600;
    font-size:   .82rem;
    text-transform: uppercase;
    letter-spacing: .5px;
    border:      none;
}
.admin-table td { font-size: .88rem; vertical-align: middle; }
.admin-table tbody tr:hover { background: rgba(128,0,0,.03); }

/* ── Status Badges ───────────────────────────────────────── */
.badge-open   { background: rgba(34,139,34,.12); color: #166116; font-size: .75rem; padding: 3px 10px; border-radius: 50px; font-weight: 600; }
.badge-closed { background: rgba(220,38,38,.1);  color: #991b1b; font-size: .75rem; padding: 3px 10px; border-radius: 50px; font-weight: 600; }
.badge-past   { background: rgba(100,116,139,.1);color: #475569; font-size: .75rem; padding: 3px 10px; border-radius: 50px; font-weight: 600; }

/* ── Forms ───────────────────────────────────────────────── */
.admin-form-section {
    margin-bottom: 32px;
}
.admin-form-section-title {
    font-size:   .82rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color:       var(--adm-muted);
    border-bottom: 2px solid var(--adm-border);
    padding-bottom: 8px;
    margin-bottom: 18px;
}
.admin-form-label {
    font-size:   .85rem;
    font-weight: 600;
    color:       var(--adm-text);
    margin-bottom: 5px;
}
.form-control, .form-select {
    border-color:  var(--adm-border);
    font-size:     .9rem;
    border-radius: 6px;
}
.form-control:focus, .form-select:focus {
    border-color: var(--adm-primary);
    box-shadow:   0 0 0 3px rgba(128,0,0,.12);
}

/* Quill editor wrapper */
.quill-wrapper { border-radius: 6px; overflow: hidden; border: 1px solid var(--adm-border); }
.quill-wrapper .ql-toolbar { border: none; border-bottom: 1px solid var(--adm-border); background: #fafafa; }
.quill-wrapper .ql-container { border: none; font-size: .9rem; min-height: 180px; }

/* File upload preview */
.file-preview-img {
    width: 80px; height: 80px; object-fit: cover;
    border-radius: 6px; border: 1px solid var(--adm-border);
    margin-top: 8px; display: none;
}
.poster-preview-img {
    width: 120px; height: auto; max-height: 160px; object-fit: cover;
    border-radius: 6px; border: 1px solid var(--adm-border);
    margin-top: 8px; display: none;
}

/* Toggle switch */
.toggle-wrap { display: flex; align-items: center; gap: 12px; }
.toggle-label { font-size: .88rem; font-weight: 500; color: var(--adm-text); }
.form-check-input:checked { background-color: var(--adm-green); border-color: var(--adm-green); }

/* ── Dynamic Rows (Speakers / Sponsors) ─────────────────── */
.dynamic-row {
    background:    #fafafa;
    border:        1px solid var(--adm-border);
    border-radius: var(--adm-radius);
    padding:       16px;
    margin-bottom: 12px;
    position:      relative;
}
.dynamic-row .row-handle {
    font-weight:  700;
    color:        var(--adm-muted);
    font-size:    .8rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: .5px;
}
.btn-remove-row {
    position:   absolute;
    top:        10px; right: 12px;
    background: none; border: none;
    color:      #dc2626; font-size: 1.1rem;
    cursor:     pointer; padding: 0 4px;
    line-height: 1;
}
.btn-remove-row:hover { color: #991b1b; }
.btn-add-row {
    background:    transparent;
    border:        2px dashed var(--adm-green);
    color:         var(--adm-green);
    border-radius: 6px;
    padding:       8px 20px;
    font-size:     .88rem;
    font-weight:   600;
    cursor:        pointer;
    transition:    background .2s, color .2s;
    width:         100%;
    margin-top:    8px;
}
.btn-add-row:hover { background: var(--adm-green); color: #fff; }

/* ── Alert / Flash ───────────────────────────────────────── */
.flash-success {
    background: rgba(34,139,34,.1); border: 1px solid rgba(34,139,34,.3);
    color: #166116; border-radius: 6px; padding: 12px 18px;
    font-size: .9rem; font-weight: 500; margin-bottom: 20px;
}
.flash-error {
    background: rgba(220,38,38,.08); border: 1px solid rgba(220,38,38,.25);
    color: #991b1b; border-radius: 6px; padding: 12px 18px;
    font-size: .9rem; font-weight: 500; margin-bottom: 20px;
}

/* ── Login Page ──────────────────────────────────────────── */
.login-page {
    min-height: 100vh; background: var(--adm-bg);
    display: flex; align-items: center; justify-content: center;
}
.login-card {
    background:    #fff;
    border-radius: 12px;
    box-shadow:    0 4px 24px rgba(0,0,0,.1);
    padding:       44px 40px;
    width:         100%; max-width: 420px;
}
.login-logo {
    text-align: center; margin-bottom: 28px;
}
.login-logo .login-brand {
    display:     block;
    font-size:   1.5rem;
    font-weight: 900;
    color:       var(--adm-primary);
}
.login-logo .login-sub {
    font-size: .82rem; color: var(--adm-muted);
}
.btn-login {
    background:    var(--adm-primary);
    color:         #fff;
    border:        none;
    width:         100%;
    padding:       11px;
    border-radius: 6px;
    font-weight:   700;
    font-size:     1rem;
    cursor:        pointer;
    transition:    background .2s;
}
.btn-login:hover { background: var(--adm-primary-dk); }

/* ── Check-in Page ───────────────────────────────────────── */
.checkin-result-ok  { background: rgba(34,139,34,.1);  border: 1px solid #228B22; color: #166116; border-radius: 8px; padding: 20px; }
.checkin-result-err { background: rgba(220,38,38,.08); border: 1px solid #dc2626; color: #991b1b; border-radius: 8px; padding: 20px; }
.checkin-result-dup { background: rgba(245,158,11,.1); border: 1px solid #d97706; color: #92400e; border-radius: 8px; padding: 20px; }

/* ── Responsive ──────────────────────────────────────────── */

/* Tablet & below: sidebar hidden by default, slides in on toggle */
@media (max-width: 991.98px) {
    .admin-sidebar {
        transform: translateX(calc(-1 * var(--adm-sidebar-w)));
        box-shadow: none;
    }
    .admin-main { margin-left: 0; min-width: 0; }
    .admin-layout.sidebar-open .admin-sidebar {
        transform: translateX(0);
        box-shadow: 4px 0 20px rgba(0,0,0,.15);
    }
    /* Dim overlay when sidebar open */
    .admin-layout.sidebar-open::before {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.35);
        z-index: 850;
    }
    .admin-content-wrap { padding: 20px 16px; }
    .admin-page-header { margin-bottom: 20px; }
}

/* Tablet 768-991px: sidebar pushes content instead of overlaying */
@media (min-width: 768px) and (max-width: 991.98px) {
    .admin-layout.sidebar-open .admin-main {
        margin-left: var(--adm-sidebar-w);
    }
    .admin-layout.sidebar-open::before { display: none !important; }
}

/* ── Mobile: comprehensive fixes ─────────────────────────── */
@media (max-width: 767.98px) {
    /* Prevent ANY element from causing horizontal page scroll */
    html, body { overflow-x: hidden; max-width: 100%; }
    .admin-layout { overflow-x: hidden; max-width: 100vw; }
    .admin-content-wrap { overflow-x: hidden; max-width: 100%; }

    /* Topbar */
    .admin-topbar { padding: 0 12px 0 10px; }
    .admin-brand  { font-size: .88rem; }
    .admin-user-chip { display: none; }
    .admin-toplink { padding: 4px 7px; font-size: .78rem; }

    /* Content spacing */
    .admin-content-wrap { padding: 14px 12px; }
    .admin-page-header { flex-direction: column; align-items: flex-start; gap: 10px; margin-bottom: 16px; }
    .admin-page-header h1 { font-size: 1.15rem; }
    .admin-breadcrumb { font-size: .75rem; }

    /* Cards */
    .admin-card-body { padding: 12px; }
    .admin-card-header { padding: 10px 12px; }
    .admin-card-header h5 { font-size: .9rem; }

    /* Stat cards */
    .stat-card { padding: 10px 12px; }
    .stat-card-body h2 { font-size: 1.3rem; }
    .stat-card-body p { font-size: .72rem; letter-spacing: 0; }
    .stat-card-icon { font-size: 1.4rem; }

    /* ── Tables → card rows on mobile ── */
    .table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

    /* Convert admin-table rows to stacked cards */
    .admin-table { min-width: unset !important; width: 100%; border-collapse: collapse; }
    .admin-table thead { display: none; }  /* hide header row */
    .admin-table tbody tr {
        display: block;
        border: 1px solid #e2e8f0;
        border-radius: 8px;
        margin-bottom: 10px;
        padding: 10px 12px;
        background: #fff;
        box-shadow: 0 1px 4px rgba(0,0,0,.05);
    }
    .admin-table tbody tr:hover { background: #fafafa; }
    .admin-table td {
        display: flex;
        align-items: flex-start;
        gap: 8px;
        padding: 4px 0;
        border: none;
        font-size: .82rem;
        line-height: 1.4;
    }
    /* Label each cell using data-label attr */
    .admin-table td[data-label]::before {
        content: attr(data-label);
        font-weight: 700;
        color: #64748b;
        font-size: .72rem;
        min-width: 80px;
        flex-shrink: 0;
        text-transform: uppercase;
        letter-spacing: .3px;
        padding-top: 1px;
    }
    /* Photo cell — no label, center */
    .admin-table td.td-photo {
        justify-content: flex-start;
        padding-bottom: 6px;
    }
    .admin-table td.td-photo::before { display: none; }

    /* Action buttons cell */
    .admin-table td.td-actions {
        flex-wrap: wrap;
        gap: 6px;
        padding-top: 8px;
        border-top: 1px solid #f1f5f9;
        margin-top: 4px;
    }
    .admin-table td.td-actions::before { display: none; }
    .admin-table td.td-actions a,
    .admin-table td.td-actions button,
    .admin-table td.td-actions form { flex-shrink: 0; }

    /* Forms */
    .row.g-3 > [class*='col-md-'], .row.g-3 > [class*='col-lg-'] {
        flex: 0 0 100%; max-width: 100%;
    }
    .admin-form-label { font-size: .82rem; }

    /* Buttons */
    .btn-adm-primary, .btn-adm-outline, .btn-adm-green {
        font-size: .82rem; padding: 8px 14px;
    }

    /* Filter bars */
    .flash-success, .flash-error { font-size: .83rem; padding: 10px 14px; }

    /* Login */
    .login-card { padding: 28px 18px; }

    /* Modals */
    div[id$="Modal"] > div, div[id^="view"] > div {
        max-width: 96vw !important;
        width: 96vw !important;
        margin: 8px auto !important;
    }

    /* Hide less important table columns on very small screens */
    .hide-mobile { display: none !important; }

    /* The outer html/body/admin-layout/content-wrap already prevent page-level h-scroll */
    img { max-width: 100%; }
}

/* ── Sub-480px: tiny phones ──────────────────────────────── */
@media (max-width: 480px) {
    .admin-content-wrap { padding: 10px 8px; }
    .admin-card-body { padding: 10px 10px; }
    .admin-page-header h1 { font-size: 1rem; }
    .admin-topbar { gap: 6px; }
    .admin-toplink span { display: none; } /* icon only for View Site / Logout */
    .btn-adm-primary, .btn-adm-outline, .btn-adm-ghost, .btn-adm-green {
        font-size: .78rem; padding: 6px 10px;
    }
    /* Stack page header buttons below title */
    .admin-page-header { gap: 8px; }
    /* Modals full-screen on tiny phones */
    div[id$="Modal"] > div, div[id^="view"] > div {
        max-width: 100vw !important;
        width: 100vw !important;
        margin: 0 !important;
        border-radius: 0 !important;
        min-height: 100dvh;
    }
    /* form inputs full width */
    input[type="text"], input[type="email"], input[type="number"],
    input[type="password"], select, textarea {
        max-width: 100% !important; width: 100% !important;
    }
}

/* Overlay click to close sidebar */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 849;
    background: transparent;
}
.admin-layout.sidebar-open .sidebar-overlay { display: block; }