/* =====================================================================
   AFTECH Fleet Analytics — dashboard styles
   Brand: AFTECH orange on charcoal. Light by default, dark on request.
   ===================================================================== */

:root {
    --brand: #ff3c00;          /* AFTECH orange (logo) */
    --brand-strong: #d23300;   /* orange dark enough for white text */
    --brand-soft: #fff1eb;     /* orange tint for hover and focus */

    --page: #f4f5f7;
    --surface: #ffffff;
    --surface-alt: #f8f9fb;
    --ink: #1f2328;
    --ink-soft: #57606a;
    --ink-muted: #8b949e;
    --line: #e3e6ea;
    --line-strong: #d0d5db;

    --bar: #1f2328;            /* top bar */
    --bar-ink: #c9d1d9;
    --bar-ink-strong: #ffffff;
    --bar-line: #30363d;

    --accent: var(--brand-strong);
    --accent-ink: #ffffff;

    --good: #1a7f37;
    --good-bg: #e7f5ec;
    --warning: #9a6700;
    --warning-bg: #fff6dd;
    --critical: #cf222e;
    --critical-bg: #ffebe9;

    --radius: 10px;
    --radius-small: 7px;
    --shadow: 0 1px 2px rgba(31, 35, 40, .06), 0 1px 3px rgba(31, 35, 40, .04);
    --focus: 0 0 0 3px rgba(255, 60, 0, .22);
}

:root[data-theme="dark"] {
    --brand-soft: #2a1a12;
    --page: #0f1216;
    --surface: #161b22;
    --surface-alt: #1c2129;
    --ink: #e6edf3;
    --ink-soft: #b1bac4;
    --ink-muted: #7d8590;
    --line: #2a313a;
    --line-strong: #3a424c;

    --bar: #0b0e12;
    --bar-line: #222830;

    --accent: #ff6a33;
    --accent-ink: #160803;

    --good: #4ac26b;
    --good-bg: #12261a;
    --warning: #e3b341;
    --warning-bg: #2b2111;
    --critical: #ff7b72;
    --critical-bg: #331a1a;

    --shadow: none;
    --focus: 0 0 0 3px rgba(255, 106, 51, .3);
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--page);
    color: var(--ink);
    font: 14px/1.5 "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

a:hover {
    text-decoration: underline;
}

strong {
    font-weight: 600;
}

:focus-visible {
    outline: none;
    box-shadow: var(--focus);
    border-radius: var(--radius-small);
}

/* ---------------------------------------------------------------------
   Top bar
   --------------------------------------------------------------------- */

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 22px;
    min-height: 58px;
    padding: 0 28px;
    background: var(--bar);
    border-bottom: 3px solid var(--brand);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--bar-ink-strong);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: .2px;
    white-space: nowrap;
}

.brand::before {
    content: "";
    width: 12px;
    height: 22px;
    background: var(--brand);
    border-radius: 2px;
    transform: skewX(-14deg);
}

.topbar nav {
    display: flex;
    flex-wrap: wrap;
    align-self: stretch;
    gap: 2px;
}

.topbar nav a {
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    color: var(--bar-ink);
    font-weight: 500;
    text-decoration: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -3px;
    transition: color .15s, border-color .15s;
}

.topbar nav a:hover {
    color: var(--bar-ink-strong);
    text-decoration: none;
}

.topbar nav a.active {
    color: var(--bar-ink-strong);
    border-bottom-color: var(--bar-ink-strong);
}

.topbar .user {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--bar-ink);
    font-size: 13px;
}

.topbar .user > a {
    color: var(--bar-ink-strong);
    font-weight: 500;
}

.topbar .user form {
    margin: 0;
}

.topbar .button {
    padding: 5px 12px;
    font-size: 13px;
    color: var(--bar-ink-strong);
    background: transparent;
    border-color: var(--bar-line);
}

.topbar .button:hover {
    background: rgba(255, 255, 255, .08);
    border-color: #4a525c;
}

/* ---------------------------------------------------------------------
   Page
   --------------------------------------------------------------------- */

main {
    
    padding: 28px 28px 56px;
}

h1 {
    margin: 0 0 6px;
    font-size: 24px;
    line-height: 1.25;
    font-weight: 700;
    letter-spacing: -.2px;
}

.intro {
    margin: 0 0 20px;
    color: var(--ink-soft);
    max-width: 85ch;
}

.muted {
    color: var(--ink-muted);
}

/* ---------------------------------------------------------------------
   Warning banner
   --------------------------------------------------------------------- */

.notice {
    padding: 12px 16px;
    margin: 0 0 20px;
    color: var(--warning);
    background: var(--warning-bg);
    border: 1px solid color-mix(in srgb, var(--warning) 25%, transparent);
    border-left: 4px solid var(--warning);
    border-radius: var(--radius-small);
}

.notice a {
    color: inherit;
    font-weight: 600;
    text-decoration: underline;
}

/* ---------------------------------------------------------------------
   Filters
   --------------------------------------------------------------------- */

.filters {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 14px 16px;
    padding: 16px 18px;
    margin-bottom: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.filters label {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .5px;
    text-transform: uppercase;
    color: var(--ink-muted);
}

.filters label.check {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    color: var(--ink);
}

input,
select {
    font: inherit;
    font-size: 14px;
    height: 36px;
    padding: 0 10px;
    min-width: 160px;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-small);
    transition: border-color .15s, box-shadow .15s;
}

input:hover,
select:hover {
    border-color: var(--ink-muted);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: var(--focus);
}

input[type="checkbox"] {
    min-width: 0;
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
}

.buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-left: auto;
}

/* ---------------------------------------------------------------------
   Buttons
   --------------------------------------------------------------------- */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    padding: 0 16px;
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-small);
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: background .15s, border-color .15s, color .15s;
}

.button:hover {
    background: var(--surface-alt);
    border-color: var(--ink-muted);
    text-decoration: none;
}

.button.primary {
    color: var(--accent-ink);
    background: var(--accent);
    border-color: var(--accent);
    font-weight: 600;
}

.button.primary:hover {
    background: color-mix(in srgb, var(--accent) 88%, black);
    border-color: color-mix(in srgb, var(--accent) 88%, black);
}

.button.small {
    height: 28px;
    padding: 0 10px;
    font-size: 12px;
}

/* ---------------------------------------------------------------------
   Tables
   --------------------------------------------------------------------- */

.table-wrap {
    overflow: auto;
    max-height: calc(100vh - 150px);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

th,
td {
    padding: 9px 12px;
    text-align: left;
    vertical-align: middle;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
}

th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--surface-alt);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .3px;
    text-transform: uppercase;
    color: var(--ink-soft);
    border-bottom: 1px solid var(--line-strong);
}

tbody tr:last-child td {
    border-bottom: 0;
}

tbody tr:nth-child(even) td {
    background: color-mix(in srgb, var(--surface-alt) 55%, var(--surface));
}

tbody tr:hover td {
    background: var(--brand-soft);
}

td.num,
th.num {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

td.wrap {
    white-space: normal;
    min-width: 260px;
}

td:first-child a {
    font-weight: 600;
}

.empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--ink-muted);
}

/* ---------------------------------------------------------------------
   Badges: always a word, never colour alone
   --------------------------------------------------------------------- */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 10px 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.6;
    white-space: nowrap;
}

.badge::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

a.badge:hover {
    text-decoration: none;
    filter: brightness(.96);
}

.badge.good {
    color: var(--good);
    background: var(--good-bg);
}

.badge.warning {
    color: var(--warning);
    background: var(--warning-bg);
}

.badge.critical {
    color: var(--critical);
    background: var(--critical-bg);
}

.badge.plain {
    color: var(--ink-soft);
    background: var(--surface-alt);
    box-shadow: inset 0 0 0 1px var(--line);
}

/* ---------------------------------------------------------------------
   Pagination
   --------------------------------------------------------------------- */

.pager {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 14px;
    color: var(--ink-soft);
    font-size: 13px;
}

.pager a {
    display: inline-flex;
    align-items: center;
    height: 32px;
    padding: 0 12px;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-small);
}

.pager a:hover {
    border-color: var(--ink-muted);
    text-decoration: none;
}

/* ---------------------------------------------------------------------
   Guide page and the rule table on Voltage profiles
   --------------------------------------------------------------------- */

.guide {
    max-width: 980px;
}

.guide section {
    padding: 20px 24px;
    margin-bottom: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-left: 4px solid var(--brand);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.guide h2 {
    margin: 0 0 10px;
    font-size: 17px;
    font-weight: 700;
}

.guide p,
.guide li {
    color: var(--ink-soft);
    max-width: 85ch;
}

.guide table {
    margin-top: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius-small);
    overflow: hidden;
}

.guide th {
    position: static;
}

.guide td {
    white-space: normal;
    vertical-align: top;
}

/* ---------------------------------------------------------------------
   Login
   --------------------------------------------------------------------- */

.login-box {
    max-width: 400px;
    margin: 12vh auto 40px;
    padding: 32px 32px 28px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-top: 4px solid var(--brand);
    border-radius: var(--radius);
    box-shadow: 0 8px 28px rgba(31, 35, 40, .08);
}

.login-box h1 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
}

.login-box h1::before {
    content: "";
    flex: none;
    width: 12px;
    height: 24px;
    background: var(--brand);
    border-radius: 2px;
    transform: skewX(-14deg);
}

.login-box label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink-soft);
}

.login-box input {
    width: 100%;
    height: 40px;
}

.login-box .button {
    width: 100%;
    height: 42px;
    margin-top: 4px;
}

.error {
    padding: 10px 12px;
    color: var(--critical);
    background: var(--critical-bg);
    border-radius: var(--radius-small);
}

/* ---------------------------------------------------------------------
   Small screens
   --------------------------------------------------------------------- */

@media (max-width: 900px) {
    .topbar {
        padding: 10px 16px 0;
    }

    .topbar nav {
        order: 3;
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .topbar nav a {
        padding: 10px 10px 12px;
        white-space: nowrap;
    }

    main {
        padding: 20px 16px 40px;
    }

    .buttons {
        margin-left: 0;
    }

    input,
    select {
        min-width: 0;
        width: 100%;
    }

    .filters label {
        flex: 1 1 160px;
    }
}

/* ---------------------------------------------------------------------
   Print: just the content
   --------------------------------------------------------------------- */

@media print {
    .topbar,
    .filters,
    .pager,
    .notice {
        display: none;
    }

    .table-wrap {
        max-height: none;
        overflow: visible;
        box-shadow: none;
    }

    main {
        padding: 0;
    }
}