/* ================================================================
   Education Quality Control System — Shared Stylesheet
   Aviation Exam Theme  |  Business-neutral, professional
   ================================================================ */

/* ----------------------------------------------------------------
   1. DESIGN TOKENS (CSS variables)
   ---------------------------------------------------------------- */
:root {
    /* ── Brand / Aviation palette ──────────────────────────────── */
    --color-primary:        #0a2d6e;   /* deep navy — fuselage */
    --color-primary-light:  #1a4090;
    --color-primary-dark:   #061a45;
    --color-secondary:      #1c5fa5;   /* instrument-panel blue */
    --color-accent:         #2980b9;   /* sky blue — highlights */
    --color-accent-hover:   #1f618d;
    --color-accent-light:   #d6eaf8;

    /* ── Status / Semantic ──────────────────────────────────────── */
    --color-danger:         #c0392b;
    --color-danger-hover:   #a93226;
    --color-danger-light:   #fdecea;
    --color-success:        #1e8449;
    --color-success-hover:  #166a3a;
    --color-success-light:  #e9f7ef;
    --color-warning:        #d68910;
    --color-warning-light:  #fef9ec;
    --color-info:           #2471a3;
    --color-info-light:     #d6eaf8;

    /* ── Neutrals ───────────────────────────────────────────────── */
    --color-bg:             #eef2f7;
    --color-surface:        #ffffff;
    --color-surface-alt:    #f8fafd;
    --color-border:         #d5dce8;
    --color-border-dark:    #aab4c4;
    --color-text:           #1a2333;
    --color-text-secondary: #4a5568;
    --color-text-muted:     #8896a4;

    /* ── Module accent colours ──────────────────────────────────── */
    --color-admin-bg:         #eef1fb;
    --color-admin-header:     #0a2d6e;
    --color-questions-bg:     #fff8f0;
    --color-questions-header: #c0392b;
    --color-finance-bg:       #f0faf4;
    --color-finance-header:   #1e8449;
    --color-pilot-bg:         #f0f5ff;
    --color-pilot-header:     #0a2d6e;

    /* ── Typography ─────────────────────────────────────────────── */
    --font-family:         "Segoe UI", "Inter", "Helvetica Neue", Arial, sans-serif;
    --font-size-xs:        11px;
    --font-size-sm:        13px;
    --font-size-base:      15px;
    --font-size-md:        16px;
    --font-size-lg:        18px;
    --font-size-xl:        22px;
    --font-size-2xl:       28px;
    --font-weight-normal:  400;
    --font-weight-medium:  500;
    --font-weight-semibold:600;
    --font-weight-bold:    700;
    --line-height:         1.65;

    /* ── Spacing (4-pt grid) ────────────────────────────────────── */
    --space-1:   4px;
    --space-2:   8px;
    --space-3:  12px;
    --space-4:  16px;
    --space-5:  20px;
    --space-6:  24px;
    --space-8:  32px;
    --space-10: 40px;
    --space-12: 48px;

    /* ── Borders & shadows ──────────────────────────────────────── */
    --radius-sm:   4px;
    --radius-md:   8px;
    --radius-lg:   12px;
    --radius-xl:   16px;
    --shadow-xs:   0 1px 2px rgba(10,45,110,.06);
    --shadow-sm:   0 2px 4px rgba(10,45,110,.10);
    --shadow-md:   0 4px 14px rgba(10,45,110,.13);
    --shadow-lg:   0 8px 28px rgba(10,45,110,.18);
    --shadow-inset: inset 0 1px 3px rgba(0,0,0,.06);

    /* ── Transitions ────────────────────────────────────────────── */
    --transition:       150ms ease;
    --transition-slow:  280ms ease;

    /* legacy compat alias */
    --radius: var(--radius-sm);
}

/* ----------------------------------------------------------------
   2. RESET & BASE
   ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
    font-size: var(--font-size-base);
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-bg);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

img { max-width: 100%; height: auto; }

hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-6) 0;
}

/* ----------------------------------------------------------------
   3. TYPOGRAPHY
   ---------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--space-4);
    font-weight: var(--font-weight-bold);
    line-height: 1.25;
    color: var(--color-primary);
}
h1 { font-size: var(--font-size-2xl); letter-spacing: -.02em; }
h2 { font-size: var(--font-size-xl);  letter-spacing: -.01em; }
h3 { font-size: var(--font-size-lg); }
h4 { font-size: var(--font-size-md); }

p { margin: 0 0 var(--space-4); }

strong, b { font-weight: var(--font-weight-semibold); }

/* ----------------------------------------------------------------
   4. LAYOUT UTILITIES
   ---------------------------------------------------------------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--space-6);
}

.flex            { display: flex; }
.flex-center     { display: flex; align-items: center; justify-content: center; }
.flex-between    { display: flex; align-items: center; justify-content: space-between; }
.flex-col        { display: flex; flex-direction: column; }
.flex-wrap       { flex-wrap: wrap; }
.gap-2           { gap: var(--space-2); }
.gap-3           { gap: var(--space-3); }
.gap-4           { gap: var(--space-4); }
.mt-4            { margin-top: var(--space-4); }
.mb-4            { margin-bottom: var(--space-4); }
.text-right      { text-align: right; }
.text-center     { text-align: center; }
.text-muted      { color: var(--color-text-muted); font-size: var(--font-size-sm); }

/* ----------------------------------------------------------------
   5. TOP NAV BAR
   ---------------------------------------------------------------- */
.topbar {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-secondary) 100%);
    color: #fff;
    padding: var(--space-3) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}
.topbar__logo img { height: 44px; vertical-align: middle; }
.topbar__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    letter-spacing: .03em;
    flex: 1;
    text-align: center;
}
.topbar__module {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: .08em;
    opacity: .75;
    display: block;
}
.topbar__actions { display: flex; gap: var(--space-2); }
.topbar__actions a,
.topbar__actions button {
    color: #fff;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.25);
    border-radius: var(--radius-sm);
    padding: var(--space-1) var(--space-4);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
    text-decoration: none;
    white-space: nowrap;
}
.topbar__actions a:hover,
.topbar__actions button:hover {
    background: rgba(255,255,255,.24);
    border-color: rgba(255,255,255,.45);
    text-decoration: none;
    color: #fff;
}

/* ----------------------------------------------------------------
   6. PAGE HEADER (below topbar)
   ---------------------------------------------------------------- */
.page-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-4);
}
.page-header h1 { margin: 0; font-size: var(--font-size-xl); }

/* ----------------------------------------------------------------
   7. SECTION CONTENT WRAPPER
   ---------------------------------------------------------------- */
.page-content {
    padding: var(--space-6);
    flex: 1;
}

/* ----------------------------------------------------------------
   8. FORMS
   ---------------------------------------------------------------- */
.form-group { margin-bottom: var(--space-5); }

.form-group label {
    display: block;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-2);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: .05em;
}

.form-row {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}
.form-row .form-group { flex: 1; min-width: 200px; }

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
    box-shadow: var(--shadow-inset);
}
input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
select:focus,
textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(41,128,185,.15);
}
select { cursor: pointer; appearance: auto; }
textarea { resize: vertical; min-height: 100px; }

/* Don't force full-width on table-cell inputs */
td input[type="text"],
td select { width: auto; }

/* ----------------------------------------------------------------
   9. BUTTONS
   ---------------------------------------------------------------- */
.btn,
input[type="submit"],
input[type="button"],
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 7px var(--space-5);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: #ffffff;
    background: var(--color-primary);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition), box-shadow var(--transition), transform 80ms ease;
    text-align: center;
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
    vertical-align: middle;
    user-select: none;
}
.btn:hover,
input[type="submit"]:hover,
input[type="button"]:hover,
button:hover {
    background: var(--color-primary-light);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: #fff;
}
.btn:active,
input[type="submit"]:active,
input[type="button"]:active,
button:active {
    transform: translateY(1px);
    box-shadow: none;
}
.btn:focus-visible,
input[type="submit"]:focus-visible,
input[type="button"]:focus-visible,
button:focus-visible {
    outline: 3px solid rgba(41,128,185,.5);
    outline-offset: 2px;
}

/* Variants */
.btn--primary        { background: var(--color-primary); }
.btn--primary:hover  { background: var(--color-primary-light); }

.btn--accent         { background: var(--color-accent); }
.btn--accent:hover   { background: var(--color-accent-hover); color: #fff; }

.btn--secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border-dark);
}
.btn--secondary:hover {
    background: var(--color-surface-alt);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn--success        { background: var(--color-success); }
.btn--success:hover  { background: var(--color-success-hover); color: #fff; }

.btn--danger         { background: var(--color-danger); }
.btn--danger:hover   { background: var(--color-danger-hover); color: #fff; }

.btn--warning        { background: var(--color-warning); color: #fff; }
.btn--warning:hover  { background: #b7770d; color: #fff; }

.btn--ghost {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}
.btn--ghost:hover {
    background: var(--color-accent-light);
    color: var(--color-accent-hover);
}

/* Sizes */
.btn--xs   { padding: 3px var(--space-2);  font-size: var(--font-size-xs); }
.btn--sm   { padding: 5px var(--space-3);  font-size: var(--font-size-sm); }
.btn--lg   { padding: var(--space-3) var(--space-8); font-size: var(--font-size-lg); }
.btn--full { width: 100%; }

/* Icon-text buttons */
.btn--print::before  { content: "🖨 "; }
.btn--back::before   { content: "← "; }
.btn--next::after    { content: " →"; }
.btn--save::before   { content: "💾 "; }
.btn--exit::before   { content: "✕ "; }
.btn--export::before { content: "↓ "; }

/* ── Inline-style overrides — normalise legacy coloured buttons ── */
input[type="submit"][style*="background-color: red"],
input[type="button"][style*="background-color: red"],
input[type="submit"][style*="background-color:#FF0000"],
input[type="button"][style*="background-color:#FF0000"],
input[type="submit"][style*="background-color: #FF0000"] {
    background: var(--color-danger) !important;
    color: #fff !important; border: none !important;
    padding: 7px var(--space-5) !important;
    border-radius: var(--radius-sm) !important;
    font-size: var(--font-size-base) !important;
    height: auto !important; width: auto !important;
}
input[type="submit"][style*="background-color: green"],
input[type="button"][style*="background-color: green"] {
    background: var(--color-success) !important;
    color: #fff !important; border: none !important;
    padding: 7px var(--space-5) !important;
    border-radius: var(--radius-sm) !important;
    font-size: var(--font-size-base) !important;
}
input[type="submit"][style*="background-color: aqua"],
input[type="button"][style*="background-color: aqua"],
input[type="submit"][style*="background-color: #99CCFF"],
input[type="button"][style*="background-color: #99CCFF"],
input[type="submit"][style*="background-color: #C0C0C0"],
input[type="button"][style*="background-color: #C0C0C0"] {
    background: var(--color-secondary) !important;
    color: #fff !important; border: none !important;
    padding: 7px var(--space-5) !important;
    border-radius: var(--radius-sm) !important;
    font-size: var(--font-size-base) !important;
}
input[type="submit"][style*="background-color: #FFFF99"],
input[type="button"][style*="background-color: #FFFF99"],
input[type="submit"][style*="background-color:#FFCC99"],
input[type="button"][style*="background-color:#FFCC99"] {
    background: var(--color-warning) !important;
    color: #fff !important; border: none !important;
    padding: 7px var(--space-5) !important;
    border-radius: var(--radius-sm) !important;
    font-size: var(--font-size-base) !important;
}

/* ----------------------------------------------------------------
   10. TABLES
   ---------------------------------------------------------------- */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}
thead,
.table-header-row {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: #fff;
}
thead th,
.table-header-row td {
    padding: var(--space-3) var(--space-4);
    font-weight: var(--font-weight-semibold);
    text-align: left;
    letter-spacing: .04em;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--color-border); }
tbody tr:last-child { border-bottom: none; }
tbody tr:nth-child(even) { background-color: var(--color-surface-alt); }
tbody tr:hover { background-color: rgba(41,128,185,.06); }
td, tbody th {
    padding: var(--space-3) var(--space-4);
    vertical-align: middle;
    line-height: 1.4;
}
td a { color: var(--color-accent); }
td a:hover { color: var(--color-accent-hover); }

/* Row colour coding for finance module */
.row-pilot         { background-color: #e8f3ff !important; }
.row-flight-eng    { background-color: #f0eeff !important; }
.row-attendant     { background-color: #fff3e8 !important; }
.row-no-contract   { background-color: #fde8e8 !important; }
.row-free          { background-color: #e8fff8 !important; }

/* ----------------------------------------------------------------
   11. LOGIN PAGES
   ---------------------------------------------------------------- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url(/media/branding/watermark.jpg);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
.login-page::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(6,26,69,.55);
    z-index: 0;
}
.login-box {
    position: relative;
    z-index: 1;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-10) var(--space-12);
    width: 100%;
    max-width: 430px;
    text-align: center;
    border-top: 4px solid var(--color-primary);
}
.login-box .logo { margin-bottom: var(--space-5); max-width: 180px; }
.login-box h1 { font-size: var(--font-size-xl); color: var(--color-primary); margin-bottom: var(--space-1); }
.login-box .subtitle { font-size: var(--font-size-sm); color: var(--color-text-muted); margin-bottom: var(--space-6); }
.login-box .form-group { text-align: left; }
.login-box input[type="submit"] {
    width: 100%;
    margin-top: var(--space-3);
    padding: var(--space-3);
    font-size: var(--font-size-md);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    letter-spacing: .04em;
}
.login-box input[type="submit"]:hover {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent) 100%);
}

/* ----------------------------------------------------------------
   12. DASHBOARD (index_total)
   ---------------------------------------------------------------- */
.dashboard-page {
    min-height: 100vh;
    background: linear-gradient(160deg, #0a1628 0%, #12336b 45%, #0d2245 100%);
}
.dashboard-page::before {
    content: '';
    position: fixed;
    inset: 0;
    background: url(/media/branding/watermark.jpg) center/cover no-repeat;
    opacity: 0.06;
    z-index: 0;
    pointer-events: none;
}
/* Logo + title in one horizontal bar at top center */
.dashboard-header-block {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    padding: 8px 24px 8px 16px;
    background: rgba(10,45,110,.70);
    backdrop-filter: blur(6px);
    border-radius: 0 0 10px 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,.4);
    white-space: nowrap;
}
.dashboard-logo-center {
    width: 72px;
    height: auto;
    display: block;
    flex-shrink: 0;
    filter: drop-shadow(0 1px 4px rgba(0,0,0,.5));
}
.dashboard-header {
    text-align: left;
    font-size: 18pt;
    font-weight: var(--font-weight-bold);
    color: #fff;
    letter-spacing: .01em;
    line-height: 1.2;
    margin: 0;
    padding: 0;
    background: none;
    border: none;
    white-space: nowrap;
}
/* keep old class for any other pages that still use it */
.dashboard-logo { display: none; }
.dashboard-nav {
    position: fixed;
    top: 38%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    width: 300px;
    z-index: 2;
}
.dashboard-nav .btn {
    width: 100%;
    font-size: var(--font-size-lg);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    letter-spacing: .02em;
    border: 1px solid rgba(255,255,255,.2);
}
.dashboard-nav .btn--students  { background: linear-gradient(135deg, #1565c0, var(--color-accent)); }
.dashboard-nav .btn--staff     { background: linear-gradient(135deg, #1a5c35, var(--color-success)); }
.dashboard-nav .btn--tutors    { background: linear-gradient(135deg, var(--color-primary-dark), var(--color-secondary)); }
.dashboard-nav .btn--admin     { background: linear-gradient(135deg, #922b21, var(--color-danger)); }
.dashboard-logout { position: fixed; top: var(--space-4); right: var(--space-6); font-size: var(--font-size-sm); z-index: 2; }

/* ----------------------------------------------------------------
   13. MODULE-SPECIFIC STYLES
   ---------------------------------------------------------------- */
.admin-page     { background-color: var(--color-admin-bg); }
.admin-page     .page-header { border-left: 4px solid var(--color-admin-header); }

.questions-page { background-color: var(--color-questions-bg); }
.questions-page select { color: #7b1c14; background-color: #fffde7; }
.questions-page .page-header { border-left: 4px solid var(--color-questions-header); }
.question-row td a { color: var(--color-primary); }
.question-row:hover { background-color: #fffde7 !important; }

.finance-page   { background-color: var(--color-finance-bg); }
.finance-page   .page-header { border-left: 4px solid var(--color-finance-header); }

.pilot-page     { background-color: var(--color-pilot-bg); }
.pilot-page     .page-header { border-left: 4px solid var(--color-pilot-header); }

/* Exam test interface */
.exam-layout {
    display: grid;
    grid-template-rows: auto 1fr;
    grid-template-columns: 200px 1fr;
    grid-template-areas: "header header" "sidebar main";
    min-height: calc(100vh - 60px);
    gap: 0;
}
.exam-header {
    grid-area: header;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: #fff;
    padding: var(--space-3) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-md);
}
.exam-timer {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: #ffd700;
    font-variant-numeric: tabular-nums;
    letter-spacing: .05em;
}
.exam-sidebar {
    grid-area: sidebar;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: var(--space-4);
    overflow-y: auto;
}
.exam-main {
    grid-area: main;
    padding: var(--space-6);
    overflow-y: auto;
    background: var(--color-surface-alt);
}

/* Question navigation buttons */
.q-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-sm);
    margin: 2px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    background: var(--color-surface);
    color: var(--color-text);
    text-decoration: none;
    transition: background var(--transition), border-color var(--transition);
}
.q-btn:hover      { background: var(--color-accent-light); border-color: var(--color-accent); color: var(--color-accent); text-decoration: none; }
.q-btn.unanswered { background: #fde8e8; border-color: var(--color-danger); color: var(--color-danger); }
.q-btn.answered   { background: #d6eaf8; border-color: var(--color-accent); color: var(--color-accent); }
.q-btn.current    { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ----------------------------------------------------------------
   14. ALERTS & STATUS MESSAGES
   ---------------------------------------------------------------- */
.alert {
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-sm);
    border-left: 4px solid;
}
.alert--error   { background: var(--color-danger-light);  border-color: var(--color-danger);  color: #7b1c14; }
.alert--success { background: var(--color-success-light); border-color: var(--color-success); color: #155724; }
.alert--warning { background: var(--color-warning-light); border-color: var(--color-warning); color: #7d4a00; }
.alert--info    { background: var(--color-info-light);    border-color: var(--color-info);    color: #1a4d75; }

/* ----------------------------------------------------------------
   15. BADGES & CHIPS
   ---------------------------------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-2);
    border-radius: 99px;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: .04em;
    white-space: nowrap;
}
.badge--primary   { background: var(--color-accent-light);  color: var(--color-secondary); }
.badge--accent    { background: var(--color-accent);        color: #fff; }
.badge--success   { background: var(--color-success-light); color: var(--color-success); }
.badge--danger    { background: var(--color-danger-light);  color: var(--color-danger); }
.badge--warning   { background: var(--color-warning-light); color: var(--color-warning); }
.badge--secondary { background: #e2e8f0;                    color: #475569; }
.badge--muted     { background: var(--color-border);        color: var(--color-text-secondary); }

/* ----------------------------------------------------------------
   16. PRINT STYLES
   ---------------------------------------------------------------- */
@media print {
    .topbar, .dashboard-logo, .dashboard-logo-center, .dashboard-header-block, .dashboard-logout,
    .btn, input[type="submit"], input[type="button"], button,
    .no-print { display: none !important; }
    body { background: #fff; color: #000; font-size: 11pt; }
    table { box-shadow: none; border: 1px solid #ccc; }
    thead { background: #eee !important; color: #000 !important; }
    thead th { color: #000 !important; }
    a { color: #000 !important; text-decoration: none; }
    .card { box-shadow: none; border: 1px solid #ccc; }
    .exam-sidebar { display: none !important; }
    .exam-layout  { display: block !important; }
}

/* ----------------------------------------------------------------
   17. RESPONSIVE
   ---------------------------------------------------------------- */
@media (max-width: 900px) {
    .exam-layout {
        grid-template-columns: 1fr;
        grid-template-areas: "header" "sidebar" "main";
    }
    .exam-sidebar { border-right: none; border-bottom: 1px solid var(--color-border); }
}
@media (max-width: 768px) {
    .container    { padding: 0 var(--space-4); }
    .login-box    { padding: var(--space-8) var(--space-5); margin: var(--space-4); }
    .page-content { padding: var(--space-4); }
    .topbar       { flex-wrap: wrap; gap: var(--space-2); padding: var(--space-2) var(--space-4); }
    .topbar__title { text-align: left; }
    h1 { font-size: var(--font-size-xl); }
    h2 { font-size: var(--font-size-lg); }
    .dashboard-nav { left: 10%; right: 10%; width: auto; transform: none; }
    table { font-size: var(--font-size-xs); }
    td, tbody th { padding: var(--space-2) var(--space-3); }
}
@media (max-width: 480px) {
    .topbar__actions { display: none; }
    .login-box { max-width: 100%; border-radius: var(--radius-md); }
}

/* ----------------------------------------------------------------
   18. TABLE ROW CLASSES (used by PHP echo in pilot/group pages)
   ---------------------------------------------------------------- */

/* Personnel type row colours */
tr.pilot            { background-color: #e8f3ff !important; }
tr.flight_engineer  { background-color: #f0eeff !important; }
tr.flight_attendant { background-color: #fff3e8 !important; }

/* English group classes */
td.group_sp,
tr.group_sp         { background-color: #e0f7fa !important; color: #006064; font-weight: 600; }
td.group_r,
tr.group_r          { background-color: #fce4ec !important; color: #880e4f; font-weight: 600; }

/* Table hover/click highlight (used with hltable.js / app.js) */
tr.tr_over,
tr.hoverRow         { background-color: rgba(41,128,185,.12) !important; cursor: pointer; }
tr.clickedRow       { background-color: rgba(41,128,185,.22) !important; font-weight: 600; }

/* ── 19. Video player ────────────────────────────────────────────────── */
.video-player-wrap {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin: var(--space-5) 0;
    flex-wrap: wrap;
}
.video-player-wrap video {
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    background: #000;
    max-width: 100%;
}
.video-playlist {
    list-style: none;
    margin: 0;
    padding: 0;
    width: 220px;
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}
.video-playlist li {
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition);
}
.video-playlist li:last-child { border-bottom: none; }
.video-playlist li:hover { background: var(--color-primary-light); color: #fff; }
.video-note {
    width: 100%;
    font-size: var(--font-size-sm);
    color: var(--color-warning);
    margin: var(--space-2) 0 0;
}