/* Zone Web — Material Design 3 (Material You) stylesheet.
   Hand-rolled MD3: tonal color roles, elevation, shape & state layers,
   navigation drawer + app bar, filled buttons / FAB, filled text fields,
   cards, chips and data tables. No build step, no component framework.
   Roboto + Material Symbols are loaded from the page <head>; everything
   degrades to the system font stack if they fail to load.
*/

/* ── Self-hosted fonts ──
   Served from /static/fonts so there are no render-blocking requests to
   Google Fonts on every page (the cause of the earlier sluggish feel).
   Material Symbols is subset to only the ~27 icons this app uses (~4 KB). */
@font-face {
    font-family: "Roboto";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("../fonts/roboto-400.woff2") format("woff2");
}
@font-face {
    font-family: "Roboto";
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url("../fonts/roboto-500.woff2") format("woff2");
}
@font-face {
    font-family: "Roboto";
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url("../fonts/roboto-700.woff2") format("woff2");
}
@font-face {
    font-family: "Material Symbols Outlined";
    font-style: normal;
    font-weight: 400;
    font-display: block;
    src: url("../fonts/material-symbols.woff2") format("woff2");
}

/* ── Design tokens (light) ── */
:root {
    --sidebar-w: 248px;

    /* Color roles — indigo seed (#4f46e5) expanded into an MD3 tonal set */
    --md-primary:                 #0F74BC;
    --md-on-primary:              #ffffff;
    --md-primary-container:       #d4e9fb;
    --md-on-primary-container:    #082a45;
    --md-secondary:               #4f6070;
    --md-secondary-container:     #dceaf6;
    --md-on-secondary-container:  #0e1d2a;
    --md-tertiary:                #7d5260;
    --md-error:                   #ba1a1a;
    --md-on-error:                #ffffff;
    --md-error-container:         #ffdad6;
    --md-on-error-container:      #410002;
    --md-success:                 #2e6b3e;
    --md-success-container:       #b6f2bf;
    --md-on-success-container:    #00210d;

    --md-background:              #fdfbff;
    --md-surface:                 #fdfbff;
    --md-surface-dim:             #dad9e0;
    --md-surface-container-low:   #f5f3fb;
    --md-surface-container:       #efedf5;
    --md-surface-container-high:  #e9e7ef;
    --md-on-surface:              #1b1b1f;
    --md-on-surface-variant:      #46464f;
    --md-outline:                 #777680;
    --md-outline-variant:         #c7c5d0;
    --md-surface-variant:         #e4e1ec;
    --md-inverse-surface:         #303034;
    --md-inverse-on-surface:      #f2eff7;

    /* Shape scale */
    --shape-xs: 4px;
    --shape-sm: 8px;
    --shape-md: 12px;
    --shape-lg: 16px;
    --shape-xl: 28px;
    --shape-full: 999px;

    /* Elevation */
    --elev-1: 0 1px 2px rgba(0,0,0,.28), 0 1px 3px 1px rgba(0,0,0,.10);
    --elev-2: 0 1px 2px rgba(0,0,0,.28), 0 2px 6px 2px rgba(0,0,0,.10);
    --elev-3: 0 4px 8px 3px rgba(0,0,0,.10), 0 1px 3px rgba(0,0,0,.28);

    /* Legacy aliases (kept so older inline references still resolve) */
    --bg: var(--md-background);
    --surface: var(--md-surface);
    --border: var(--md-outline-variant);
    --text: var(--md-on-surface);
    --muted: var(--md-on-surface-variant);
    --primary: var(--md-primary);
    --primary-light: var(--md-primary-container);
    --danger: var(--md-error);
    --warning: #b8860b;

    /* Accent palette — used for category chips, KPI cards and status colour.
       Each accent has a saturated foreground and a soft container background. */
    --c-indigo: #4f46e5; --c-indigo-bg: #e0e7ff;
    --c-blue:   #2563eb; --c-blue-bg:   #dbeafe;
    --c-cyan:   #0891b2; --c-cyan-bg:   #cffafe;
    --c-teal:   #0d9488; --c-teal-bg:   #ccfbf1;
    --c-green:  #16a34a; --c-green-bg:  #dcfce7;
    --c-amber:  #d97706; --c-amber-bg:  #fef3c7;
    --c-orange: #ea580c; --c-orange-bg: #ffedd5;
    --c-red:    #dc2626; --c-red-bg:    #fee2e2;
    --c-purple: #7c3aed; --c-purple-bg: #ede9fe;
    --c-pink:   #db2777; --c-pink-bg:   #fce7f3;
    /* Brand-blue gradient (logo blue #0F74BC), theme-independent so white
       text stays legible in light and dark mode — primary buttons + FAB. */
    --accent-gradient: linear-gradient(135deg, #1488d6, #0F74BC);
}

@media (prefers-color-scheme: dark) {
    :root {
        --c-indigo: #aeb2ff; --c-indigo-bg: #262463;
        --c-blue:   #7eb0ff; --c-blue-bg:   #1e3a5f;
        --c-cyan:   #5fd4e6; --c-cyan-bg:   #164e57;
        --c-teal:   #5fd9c8; --c-teal-bg:   #10453f;
        --c-green:  #7fd99a; --c-green-bg:  #14502a;
        --c-amber:  #f0b94e; --c-amber-bg:  #4d3408;
        --c-orange: #ff9d6b; --c-orange-bg: #4a2410;
        --c-red:    #ff9a8f; --c-red-bg:    #4a1515;
        --c-purple: #c4a6ff; --c-purple-bg: #2e1d52;
        --c-pink:   #ff9ecb; --c-pink-bg:   #4a1733;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --md-primary:                 #8ecaff;
        --md-on-primary:              #00344f;
        --md-primary-container:       #0a5285;
        --md-on-primary-container:    #d4e9fb;
        --md-secondary:               #b6c6d6;
        --md-secondary-container:     #354654;
        --md-on-secondary-container:  #d4e9fb;
        --md-error:                   #ffb4ab;
        --md-on-error:                #690005;
        --md-error-container:         #93000a;
        --md-on-error-container:      #ffdad6;
        --md-success:                 #9bd5a4;
        --md-success-container:       #14512a;
        --md-on-success-container:    #b6f2bf;

        --md-background:              #131316;
        --md-surface:                 #131316;
        --md-surface-dim:             #131316;
        --md-surface-container-low:   #1b1b1f;
        --md-surface-container:       #1f1f23;
        --md-surface-container-high:  #2a2a2e;
        --md-on-surface:              #e4e1e6;
        --md-on-surface-variant:      #c7c5d0;
        --md-outline:                 #918f9a;
        --md-outline-variant:         #46464f;
        --md-surface-variant:         #46464f;
        --md-inverse-surface:         #e4e1e6;
        --md-inverse-on-surface:      #303034;
    }
}

/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--md-background);
    color: var(--md-on-surface);
    display: flex;
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--md-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--md-on-surface-variant); }
.small { font-size: 0.8rem; }

.material-symbols-outlined {
    font-family: "Material Symbols Outlined";
    font-weight: normal;
    font-style: normal;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    direction: ltr;
    font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
    -webkit-font-feature-settings: "liga";
    user-select: none;
    /* Clip each glyph to a fixed 1em box so the unrendered ligature text
       (e.g. "space_dashboard") can never push or wrap neighbouring labels
       while the icon font is still loading — or if it fails to load at all. */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1em;
    height: 1em;
    overflow: hidden;
    white-space: nowrap;
    flex-shrink: 0;
}

/* ── Navigation drawer (sidebar) ── */
.sidebar {
    width: var(--sidebar-w);
    background: var(--md-background);
    border-right: 1px solid var(--md-outline-variant);
    display: flex;
    flex-direction: column;
    padding: 12px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
}
.sidebar-logo {
    padding: 12px 12px 16px;
    display: flex;
}
.sidebar-logo-link { display: block; }
.sidebar-logo-img {
    display: block;
    width: 150px;
    max-width: 100%;
    /* Reserve the box before the SVG loads so the nav never jumps. */
    aspect-ratio: 637 / 150;
    height: auto;
}

.sidebar-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
    flex: 1;
}
.sidebar-nav::-webkit-scrollbar { width: 6px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--md-outline-variant); border-radius: 3px; }

.sidebar-nav a {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 12px;
    height: 52px;
    padding: 0 16px;
    border-radius: var(--shape-full);
    color: var(--md-on-surface-variant);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}
.sidebar-nav a .nav-icon,
.sidebar-nav a .material-symbols-outlined { font-size: 22px; flex-shrink: 0; }
.sidebar-nav a::after {
    content: ""; position: absolute; inset: 0;
    background: var(--md-on-surface); opacity: 0; transition: opacity 0.15s;
    pointer-events: none;
}
.sidebar-nav a:hover { text-decoration: none; }
.sidebar-nav a:hover::after { opacity: 0.06; }
.sidebar-nav a.active {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
    font-weight: 600;
}
.sidebar-nav a.active .nav-icon,
.sidebar-nav a.active .material-symbols-outlined { color: var(--md-primary); }
.sidebar-nav a.sidebar-sub { height: 48px; }

.sidebar-section {
    padding: 18px 16px 6px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--md-on-surface-variant);
}

/* User block at the foot of the drawer */
.sidebar-user {
    margin-top: 8px;
    padding: 12px;
    border-radius: var(--shape-lg);
    background: var(--md-surface-container);
    display: flex;
    align-items: center;
    gap: 8px;
}
.sidebar-user-info { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.sidebar-user-name { font-weight: 600; font-size: 0.85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: 0.72rem; color: var(--md-on-surface-variant); }
.sidebar-change-pw, .sidebar-lang {
    font-size: 0.72rem;
    color: var(--md-primary);
    margin-top: 4px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.logout-btn {
    width: 40px; height: 40px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: var(--shape-full);
    color: var(--md-on-surface-variant);
    font-size: 1.1rem;
    flex-shrink: 0;
    transition: background 0.15s, color 0.15s;
}
.logout-btn:hover { background: var(--md-error-container); color: var(--md-on-error-container); text-decoration: none; }

/* ── App bar (topbar) ── */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 12px;
    height: 64px;
    padding: 0 24px;
    background: var(--md-background);
    color: var(--md-on-surface);
    border-bottom: 1px solid var(--md-outline-variant);
}
.page-title { font-size: 1.375rem; font-weight: 500; flex: 1; color: var(--md-on-surface); }
.menu-toggle, .lang-toggle {
    background: none; border: none; cursor: pointer;
    color: var(--md-on-surface-variant);
    height: 44px; min-width: 44px; padding: 0 10px;
    border-radius: var(--shape-full);
    font-size: 0.85rem; font-weight: 500;
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    transition: background 0.15s;
}
.menu-toggle { display: none; font-size: 1.5rem; }
.lang-toggle:hover, .menu-toggle:hover { background: var(--md-surface-container-high); text-decoration: none; }

.content {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ── Snackbar-style flash banners ── */
.flash-area { display: flex; flex-direction: column; gap: 10px; }
.alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--shape-md);
    font-size: 0.9rem;
    background: var(--md-surface-container-high);
    color: var(--md-on-surface);
}
.alert::before {
    font-family: "Material Symbols Outlined";
    font-size: 20px;
    content: "info";
}
.alert--error { background: var(--md-error-container); color: var(--md-on-error-container); }
.alert--error::before { content: "error"; }
.alert--success { background: var(--md-success-container); color: var(--md-on-success-container); }
.alert--success::before { content: "check_circle"; }

/* ── Cards ── */
.card {
    background: var(--md-surface-container-low);
    padding: 24px;
    border-radius: var(--shape-lg);
    border: 1px solid var(--md-outline-variant);
}
.card--elevated { border: none; box-shadow: var(--elev-1); background: var(--md-surface); }
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}
.card-header h2 { font-size: 1.15rem; font-weight: 600; }

/* ── Buttons ── */
.btn {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 40px;
    padding: 0 24px;
    background: transparent;
    color: var(--md-primary);
    border: none;
    border-radius: var(--shape-full);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    cursor: pointer;
    text-decoration: none;
    transition: box-shadow 0.15s, background 0.15s;
}
.btn .material-symbols-outlined { font-size: 18px; }
.btn::after {
    content: ""; position: absolute; inset: 0;
    background: currentColor; opacity: 0; transition: opacity 0.15s; pointer-events: none;
}
.btn:hover { text-decoration: none; }
.btn:hover::after { opacity: 0.08; }
.btn:focus-visible { outline: none; }
.btn:focus-visible::after { opacity: 0.12; }

/* Filled (primary) */
.btn--primary { background: var(--accent-gradient); color: #fff; }
.btn--primary:hover { box-shadow: var(--elev-1); }
/* Tonal */
.btn--tonal { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
/* Outlined */
.btn--outlined { border: 1px solid var(--md-outline); color: var(--md-primary); }
/* Danger (filled error) */
.btn--danger { background: var(--md-error); color: var(--md-on-error); }
.btn--danger:hover { box-shadow: var(--elev-1); }
/* Block */
.btn--block { width: 100%; }
/* Small (table row actions) */
.btn--sm { height: 34px; padding: 0 16px; font-size: 0.8rem; }

/* Floating action button */
.fab {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 56px;
    padding: 0 20px;
    border: none;
    border-radius: var(--shape-lg);
    background: var(--accent-gradient);
    color: #fff;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--elev-2);
    text-decoration: none;
    transition: box-shadow 0.15s;
}
.fab:hover { box-shadow: var(--elev-3); text-decoration: none; }
.fab .material-symbols-outlined { font-size: 22px; }

/* ── Filled text fields ── */
/* Outlined fields with the label above the control — cleaner and lighter
   than a filled box with a floating label. The label sits after the input in
   the markup (a holdover from the floating-label era) but `order: -1` floats
   it to the top, so no template changes are needed. */
.entry-form, .auth-form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
    order: -1;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--md-on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.field input,
.field textarea,
.field select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--shape-sm);
    background: var(--md-surface);
    color: var(--md-on-surface);
    font-family: inherit;
    font-size: 0.92rem;
    outline: none;
    transition: border-color 0.15s;
}
.field textarea { resize: vertical; min-height: 76px; }
.field select { cursor: pointer; }
.field input:focus,
.field textarea:focus,
.field select:focus { border-color: var(--md-primary); }
.field input:disabled { opacity: 0.6; cursor: not-allowed; }
.field input::placeholder, .field textarea::placeholder { color: var(--md-outline); }
.field .field-hint { font-size: 0.72rem; color: var(--md-on-surface-variant); }
.form-actions { display: flex; gap: 10px; margin-top: 4px; }

/* Two-column form rows (collapse to one column on narrow screens) */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* ── Selectable checkbox chips (multi-select) ── */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 8px;
    margin-top: 8px;
}
.field-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--md-on-surface-variant);
}
.checkbox-item {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border: 1px solid var(--md-outline);
    border-radius: var(--shape-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--md-on-surface);
    transition: background 0.15s, border-color 0.15s;
}
.checkbox-item:hover { background: var(--md-surface-container); }
.checkbox-item input { accent-color: var(--md-primary); width: 18px; height: 18px; }
.checkbox-item:has(input:checked) {
    background: var(--md-secondary-container);
    border-color: var(--md-secondary-container);
    color: var(--md-on-secondary-container);
}

/* ── Chips ── */
.chip {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 12px;
    margin: 2px 4px 2px 0;
    background: var(--md-surface-container-high);
    color: var(--md-on-surface-variant);
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--shape-sm);
    font-size: 0.78rem;
    font-weight: 500;
}
/* Category-coded chips */
.chip--bus         { background: var(--c-blue-bg);   color: var(--c-blue);   border-color: transparent; }
.chip--minibus     { background: var(--c-cyan-bg);   color: var(--c-cyan);   border-color: transparent; }
.chip--navette     { background: var(--c-teal-bg);   color: var(--c-teal);   border-color: transparent; }
.chip--camion_tsf  { background: var(--c-orange-bg); color: var(--c-orange); border-color: transparent; }
.chip--machine_tsf { background: var(--c-red-bg);    color: var(--c-red);    border-color: transparent; }
.chip--citerne     { background: var(--c-indigo-bg); color: var(--c-indigo); border-color: transparent; }
.chip--service     { background: var(--c-green-bg);  color: var(--c-green);  border-color: transparent; }
.chip--autre       { background: var(--md-surface-container-high); color: var(--md-on-surface-variant); }

/* ── Approvals ── */
.nav-badge {
    margin-left: auto; min-width: 20px; height: 20px; padding: 0 6px;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--c-amber); color: #fff; border-radius: var(--shape-full);
    font-size: 0.72rem; font-weight: 700;
}
.approval-card {
    border: 1px solid var(--md-outline-variant);
    border-left: 4px solid var(--md-primary);
    border-radius: var(--shape-md); padding: 14px 16px;
}
.approval-card--approved { border-left-color: var(--c-green); }
.approval-card--rejected { border-left-color: var(--c-red); }
.approval-card__head {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 12px; flex-wrap: wrap;
}
.approval-card__head strong { margin-left: 6px; }
.approval-card__reason { margin-top: 6px; }
.approval-fields {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px 18px; margin: 12px 0 4px;
}
.approval-fields dt { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--md-on-surface-variant); }
.approval-fields dd { font-size: 0.9rem; }
.approval-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.approval-note {
    flex: 1; min-width: 180px; padding: 8px 12px;
    border: 1px solid var(--md-outline-variant); border-radius: var(--shape-sm);
    font-family: inherit; font-size: 0.85rem; background: var(--md-surface); color: var(--md-on-surface);
}
.approval-note:focus { outline: none; border-color: var(--md-primary); }

/* ── Permission grid (roles) ── */
.perm-legend {
    display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 18px;
    font-size: 0.8rem; color: var(--md-on-surface-variant);
}
.perm-legend__item { display: inline-flex; align-items: center; gap: 7px; }
.perm-legend .dot { width: 11px; height: 11px; border-radius: 50%; }
.dot--cannot { background: var(--md-outline); }
.dot--direct { background: var(--c-green); }
.dot--approval { background: var(--c-amber); }

.perm-card {
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--shape-md);
    margin-bottom: 14px;
    overflow: hidden;
}
.perm-card__head {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; flex-wrap: wrap;
    padding: 10px 14px; background: var(--md-surface-container);
}
.perm-card__title { font-weight: 700; font-size: 0.9rem; }
.perm-card__quick { display: inline-flex; align-items: center; gap: 6px; }
.perm-card__quick .muted { margin-right: 2px; }
.perm-card__quick .btn { height: 28px; padding: 0 12px; font-size: 0.74rem; }

.perm-row {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; padding: 9px 14px;
}
.perm-row + .perm-row { border-top: 1px solid var(--md-outline-variant); }
.perm-row__label { font-size: 0.88rem; }

.tri { display: inline-flex; border: 1px solid var(--md-outline-variant); border-radius: var(--shape-full); overflow: hidden; flex-shrink: 0; }
.tri__opt { position: relative; }
.tri__opt input { position: absolute; opacity: 0; pointer-events: none; }
.tri__opt span {
    display: inline-block; padding: 6px 14px; font-size: 0.78rem; font-weight: 500;
    color: var(--md-on-surface-variant); cursor: pointer; transition: background 0.12s, color 0.12s;
    border-right: 1px solid var(--md-outline-variant);
}
.tri__opt:last-child span { border-right: none; }
.tri__opt input:checked + span { background: var(--md-outline); color: #fff; }
.tri__opt--direct input:checked + span { background: var(--c-green); color: #fff; }
.tri__opt--approval input:checked + span { background: var(--c-amber); color: #fff; }

/* ── Maintenance: severity badges + alert cards ── */
.badge--info { background: var(--c-blue-bg); color: var(--c-blue); }
.badge--warning { background: var(--c-amber-bg); color: var(--c-amber); }
.badge--critical { background: var(--c-red-bg); color: var(--c-red); }

.alert-list { display: flex; flex-direction: column; gap: 10px; }
.alert-card {
    display: flex; align-items: center; justify-content: space-between; gap: 14px;
    padding: 13px 16px; border-radius: var(--shape-md);
    background: var(--md-surface-container-low);
    border: 1px solid var(--md-outline-variant);
    border-left: 4px solid var(--md-outline);
}
.alert-card--info { border-left-color: var(--c-blue); }
.alert-card--warning { border-left-color: var(--c-amber); }
.alert-card--critical { border-left-color: var(--c-red); }
.alert-card__msg { font-weight: 600; font-size: 0.92rem; }
.alert-card__meta { font-size: 0.8rem; color: var(--md-on-surface-variant); margin-top: 3px; }
.alert-card__actions { display: flex; gap: 6px; flex-wrap: wrap; flex-shrink: 0; }
.alert-card__status { font-size: 0.8rem; flex-shrink: 0; }

/* ── Expense total summary ── */
.expense-total {
    display: flex; align-items: baseline; gap: 8px;
    padding: 12px 16px; margin-bottom: 14px;
    background: var(--md-surface-container); border-radius: var(--shape-md);
    font-size: 0.92rem; color: var(--md-on-surface-variant);
}
.expense-total strong { font-size: 1.15rem; color: var(--md-on-surface); }

/* ── Roster (daily pointage sheet) ── */
.roster-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.roster-nav-btn {
    width: 40px; height: 40px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--md-outline-variant); border-radius: var(--shape-full);
    color: var(--md-on-surface-variant); background: var(--md-surface);
}
.roster-nav-btn:hover { background: var(--md-surface-container); text-decoration: none; }
.roster-date-form input {
    padding: 9px 12px; border: 1px solid var(--md-outline-variant);
    border-radius: var(--shape-sm); font-family: inherit; font-size: 0.9rem;
    background: var(--md-surface); color: var(--md-on-surface); cursor: pointer;
}
.roster-stats { display: flex; gap: 8px; margin-left: auto; }
.roster-stat { font-size: 0.8rem; font-weight: 600; padding: 5px 12px; border-radius: var(--shape-full); }
.roster-stat--done { background: var(--c-green-bg); color: var(--c-green); }
.roster-stat--pending { background: var(--md-surface-container-high); color: var(--md-on-surface-variant); }

.roster-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.roster-vehicle {
    background: var(--md-surface-container-low);
    border: 1px solid var(--md-outline-variant);
    border-left: 3px solid var(--md-outline-variant);
    border-radius: var(--shape-lg); padding: 14px;
}
.roster-vehicle.is-done { border-left-color: var(--c-green); }
.roster-vehicle__head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.roster-vehicle__code { font-weight: 700; font-size: 1rem; margin-right: 6px; }
.roster-add {
    width: 32px; height: 32px; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: var(--shape-full);
    background: var(--md-primary-container); color: var(--md-on-primary-container);
}
.roster-add:hover { filter: brightness(0.96); text-decoration: none; }
.roster-add .material-symbols-outlined { font-size: 20px; }
.roster-entries { display: flex; flex-direction: column; gap: 6px; }
.roster-entry {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 10px; border-radius: var(--shape-sm);
    background: var(--md-surface-container); color: var(--md-on-surface); font-size: 0.85rem;
}
.roster-entry:hover { background: var(--md-surface-container-high); text-decoration: none; }
.roster-entry__activity { font-weight: 600; }
.roster-entry__op { color: var(--md-on-surface-variant); }
.roster-entry__fuel { margin-left: auto; color: var(--md-on-surface-variant); }
.roster-empty {
    display: block; text-align: center; padding: 14px;
    border: 1px dashed var(--md-outline-variant); border-radius: var(--shape-sm);
    color: var(--md-on-surface-variant); font-size: 0.85rem;
}
.roster-empty:hover { background: var(--md-surface-container); border-color: var(--md-primary); color: var(--md-primary); text-decoration: none; }
.roster-empty.is-static { pointer-events: none; }

/* ── Filter bar (select + date inputs) ── */
.filter-bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin-bottom: 16px; }
.filter-bar .btn { margin-bottom: 1px; }
.filter-or { color: var(--md-on-surface-variant); font-size: 0.82rem; padding-bottom: 9px; }

/* ── Filter chips (clickable) ── */
.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.filter-chip {
    height: 34px;
    padding: 0 16px;
    display: inline-flex;
    align-items: center;
    border-radius: var(--shape-full);
    border: 1px solid var(--md-outline-variant);
    color: var(--md-on-surface-variant);
    font-size: 0.82rem;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.filter-chip:hover { background: var(--md-surface-container); text-decoration: none; }
.filter-chip.active { background: var(--accent-gradient); color: #fff; border-color: transparent; }

/* ── Status badges ── */
.badge {
    display: inline-flex;
    align-items: center;
    height: 24px;
    padding: 0 10px;
    border-radius: var(--shape-full);
    font-size: 0.74rem;
    font-weight: 600;
}
.badge--active { background: var(--c-green-bg); color: var(--c-green); }
.badge--inactive { background: var(--md-surface-container-high); color: var(--md-on-surface-variant); }

/* ── Definition grid (detail pages) ── */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}
.detail-grid dt {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--md-on-surface-variant);
    font-weight: 600;
    margin-bottom: 4px;
}
.detail-grid dd { font-size: 0.98rem; }

/* ── "Coming soon" placeholder cards ── */
.coming-soon { display: flex; align-items: center; gap: 16px; }
.coming-soon .material-symbols-outlined { font-size: 32px; color: var(--md-outline); }
.coming-soon h3 { font-size: 1rem; font-weight: 600; }

/* ── Data tables ── */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--md-on-surface-variant);
    border-bottom: 1px solid var(--md-outline-variant);
}
.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--md-outline-variant);
    vertical-align: middle;
}
.data-table tbody tr { transition: background 0.12s; }
.data-table tbody tr:hover { background: var(--md-surface-container); }
.data-table tr:last-child td { border-bottom: none; }
.data-table code {
    background: var(--md-primary-container);
    color: var(--md-on-primary-container);
    padding: 2px 8px;
    border-radius: var(--shape-xs);
    font-size: 0.82rem;
}
.row-actions { display: flex; gap: 6px; white-space: nowrap; justify-content: flex-end; }

/* ── Empty state ── */
.empty-state { text-align: center; padding: 56px 20px; color: var(--md-on-surface-variant); }
.empty-state .material-symbols-outlined { font-size: 48px; color: var(--md-outline); }
.empty-state .btn, .empty-state .fab { margin-top: 16px; }

/* ── Auth (login) ── */
.auth-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--md-background);
    padding: 16px;
}
.auth-card {
    background: var(--md-surface-container-low);
    padding: 40px;
    border-radius: var(--shape-xl);
    width: min(420px, 100%);
    box-shadow: var(--elev-2);
}
.auth-card__title { font-size: 1.6rem; font-weight: 700; color: var(--md-primary); }
.auth-card__tagline { color: var(--md-on-surface-variant); margin: 4px 0 28px; font-size: 0.9rem; }
.auth-logo { display: block; width: 210px; max-width: 100%; aspect-ratio: 637 / 150; height: auto; margin: 0 auto 28px; }
.auth-form { gap: 20px; }
.auth-form .btn { margin-top: 8px; height: 48px; }

/* ── Error page ── */
.error-page { text-align: center; padding: 48px 24px; }
.error-page h1 { font-size: 4rem; margin: 0; color: var(--md-primary); font-weight: 700; }
.error-page p { margin: 12px 0 28px; color: var(--md-on-surface-variant); }

/* ── Dashboard: welcome banner + KPI cards ── */
.welcome-banner {
    padding: 28px 32px;
    border-radius: var(--shape-lg);
    background: linear-gradient(120deg, var(--md-primary), #7c3aed 60%, #9333ea);
    color: #fff;
    box-shadow: var(--elev-2);
}
.welcome-banner h2 { font-size: 1.4rem; font-weight: 700; margin-bottom: 4px; }
.welcome-banner p { opacity: 0.92; font-size: 0.92rem; }

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
}
.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    border-radius: var(--shape-lg);
    background: var(--md-surface-container-low);
    border: 1px solid var(--md-outline-variant);
    transition: box-shadow 0.15s, transform 0.15s;
}
.stat-card:hover { box-shadow: var(--elev-2); transform: translateY(-2px); }
.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--shape-md);
    font-size: 28px;
    flex-shrink: 0;
}
.stat-value { font-size: 1.7rem; font-weight: 700; line-height: 1.1; }
.stat-label { font-size: 0.82rem; color: var(--md-on-surface-variant); margin-top: 2px; }
.stat-icon--indigo { background: var(--c-indigo-bg); color: var(--c-indigo); }
.stat-icon--blue   { background: var(--c-blue-bg);   color: var(--c-blue); }
.stat-icon--teal   { background: var(--c-teal-bg);   color: var(--c-teal); }
.stat-icon--green  { background: var(--c-green-bg);  color: var(--c-green); }
.stat-icon--amber  { background: var(--c-amber-bg);  color: var(--c-amber); }
.stat-icon--red    { background: var(--c-red-bg);    color: var(--c-red); }
a.stat-card { text-decoration: none; color: inherit; }
.stat-unit { font-size: 0.9rem; font-weight: 600; color: var(--md-on-surface-variant); }

/* ── Dashboard panels (alerts + activity) ── */
.dash-panels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 16px;
    margin-top: 20px;
}
.dash-panel { margin: 0; }
.link-more { font-size: 0.82rem; font-weight: 600; color: var(--c-blue); text-decoration: none; }
.link-more:hover { text-decoration: underline; }
.empty-state--soft { padding: 28px 16px; }
.empty-state--soft .material-symbols-outlined { color: var(--c-green); }

.activity-list { list-style: none; margin: 0; padding: 0; }
.activity-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 2px;
    border-bottom: 1px solid var(--md-outline-variant);
}
.activity-item:last-child { border-bottom: none; }
.activity-main { flex: 1; font-size: 0.9rem; }

/* ── Dashboard charts ── */
.dash-charts {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
    margin-top: 20px;
}
@media (max-width: 860px) {
    .dash-charts { grid-template-columns: 1fr; }
}
.dash-chart { margin: 0; }
.chart-box { position: relative; height: 260px; }

/* ── Insights ── */
.variance { font-weight: 700; }
.variance--good   { color: var(--c-green); }
.variance--warn   { color: var(--c-amber); }
.variance--danger { color: var(--c-red); }
.chip--idle {
    background: var(--c-amber-bg); color: var(--c-amber);
    border-color: transparent; margin-left: 6px;
}
.row-idle { background: var(--c-amber-bg); }

/* ── Audit log ── */
.audit-table td { vertical-align: top; }
.audit-detail { max-width: 360px; }
.nowrap { white-space: nowrap; }
.audit-action {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    background: var(--md-surface-container-high);
    color: var(--md-on-surface-variant);
}
.audit-action--create  { background: var(--c-green-bg);  color: var(--c-green); }
.audit-action--update  { background: var(--c-blue-bg);   color: var(--c-blue); }
.audit-action--delete  { background: var(--c-red-bg);    color: var(--c-red); }
.audit-action--approve { background: var(--c-green-bg);  color: var(--c-green); }
.audit-action--reject  { background: var(--c-red-bg);    color: var(--c-red); }
.audit-action--login_failed { background: var(--c-amber-bg); color: var(--c-amber); }

.pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 16px;
}
.pager-info { font-size: 0.85rem; color: var(--md-on-surface-variant); }

/* ── Settings ── */
.settings-group {
    border: 1px solid var(--md-outline-variant);
    border-radius: var(--shape-md);
    padding: 16px 18px 6px;
    margin: 0 0 20px;
}
.settings-group legend {
    padding: 0 8px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--md-on-surface-variant);
}
.field--error input, .field--error select { border-color: var(--c-red); }
.field-error { font-size: 0.74rem; color: var(--c-red); margin-top: 4px; }

/* ── Dashboard skeleton note ── */
.skeleton-note h3 { font-size: 0.85rem; margin: 16px 0 6px; color: var(--md-on-surface); }
.skeleton-note ul { margin: 0 0 12px 20px; color: var(--md-on-surface-variant); font-size: 0.88rem; }

/* ── Ripple ── */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.22;
    transform: scale(0);
    animation: ripple 0.5s ease-out;
    pointer-events: none;
}
@keyframes ripple { to { transform: scale(2.4); opacity: 0; } }

/* ── Modal dialog ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 6vh 16px;
    z-index: 200;
    opacity: 0;
    transition: opacity 0.2s;
    overflow-y: auto;
}
.modal-overlay.open { opacity: 1; }
.modal {
    background: var(--md-surface-container-low);
    border-radius: var(--shape-lg);
    box-shadow: var(--elev-3);
    width: min(720px, 100%);
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    transform: translateY(-10px) scale(0.98);
    transition: transform 0.2s;
}
.modal-overlay.open .modal { transform: none; }
.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 22px;
    border-bottom: 1px solid var(--md-outline-variant);
}
.modal__header h2 { font-size: 1.1rem; font-weight: 600; }
.modal__close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--md-on-surface-variant);
    width: 36px;
    height: 36px;
    border-radius: var(--shape-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.modal__close:hover { background: var(--md-surface-container-high); }
.modal__body { padding: 22px; overflow-y: auto; }
.modal__loading { padding: 48px; text-align: center; color: var(--md-on-surface-variant); }

/* ── Drawer scrim (mobile) ── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 99;
}
.sidebar-overlay.open { display: block; }

/* ── Compact density pass ──
   Tightens the default Material metrics for a denser, less bulky
   fleet-management UI. Kept as one block so sizing is easy to tune. */
.btn { height: 36px; padding: 0 18px; font-size: 0.84rem; }
.btn--sm { height: 30px; padding: 0 13px; font-size: 0.78rem; }
.fab { height: 42px; padding: 0 18px; border-radius: var(--shape-md); font-size: 0.85rem; box-shadow: var(--elev-1); }
.fab:hover { box-shadow: var(--elev-2); }
.fab .material-symbols-outlined { font-size: 20px; }

.topbar { height: 56px; padding: 0 20px; }
.page-title { font-size: 1.2rem; }

.sidebar-nav a { height: 46px; font-size: 0.86rem; }
.sidebar-nav a.sidebar-sub { height: 42px; }

.content { padding: 20px; gap: 18px; }
.card { padding: 20px; }
.card-header { margin-bottom: 14px; }
.card-header h2 { font-size: 1.05rem; }

.auth-form .btn { height: 44px; }

.data-table th { padding: 9px 14px; }
.data-table td { padding: 11px 14px; }

.welcome-banner { padding: 22px 26px; }
.welcome-banner h2 { font-size: 1.2rem; }
.stat-card { padding: 16px; gap: 14px; }
.stat-icon { width: 46px; height: 46px; font-size: 24px; }
.stat-value { font-size: 1.45rem; }

.chip { height: 24px; padding: 0 10px; }
.filter-chip { height: 30px; padding: 0 14px; }

/* ── Responsive ── */
@media screen and (max-width: 768px) {
    .menu-toggle { display: inline-flex; }
    .sidebar {
        position: fixed;
        top: 0; left: 0;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        z-index: 100;
        box-shadow: var(--elev-3);
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .topbar { padding: 0 12px; }
    .page-title { font-size: 1.15rem; }
    .topbar .lang-toggle { display: none; }
    .content { padding: 16px; gap: 16px; }
    .card { padding: 18px; }
    .form-row { grid-template-columns: 1fr; }
}
