:root {
    /* Main colors */
    --text: #1a1a1a;
    --text-bright: #f0f0f6;
    --text-muted: #888;
    --background-high: #38383d;
    --background-low: #2e2e32;
    --primary: #5edd87;

    /* Role accents */
    --pilot-blue: #0070c0;
    --pilot-blue-dark: #0289ea;
    --fa-purple: #7030a0;
    --fa-purple-dark: #ac44fc;
    --other-green: #2a7a2a;
    --other-green-dark: #49cc49;

    /* Clocks */
    --slate: #505060;
    --slate-tint: #35353a;
    --red: #8a2828;
    --red-tint: #3a2e2e;
    --orange: #7e4a10;
    --orange-tint: #3a3228;
    --green: #255a25;
    --green-tint: #2e382e;
    --teal: #185c5c;
    --teal-tint: #2e3838;
    --blue: #253888;
    --blue-tint: #2e3040;
    --purple: #4e1e80;
    --purple-tint: #352e3e;
}

/* ============================================================
   1. Page layout
   ============================================================ */
body {
    display: grid;
    grid-template-columns: 1fr 13rem;
    grid-template-rows: auto 1fr;
    height: 100vh;
    color: var(--text);
    font-size: 1rem;
    margin: 0;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

main {
    grid-column: 1;
    grid-row: 2;
    overflow-y: auto;
    height: 100%;
    color: var(--text);
    scroll-behavior: smooth;
}

aside {
    grid-column: 2;
    grid-row: 2;
    padding: 0;
    overflow-y: auto;
    height: 100%;
    background-color: var(--background-low);
}

/* ============================================================
   2. Nav
   ============================================================ */
header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0rem 1rem;
    background: var(--background-high);
    height: 2rem;
}

.brand-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-nav {
    display: flex;
    gap: 2rem;
    flex: 1;
}

.brand-nav > a,
.nav-dropdown-toggle {
    display: inline-block;
    color: var(--text-bright);
    text-decoration: none;
    padding: 0 0.25rem;
}

.brand-nav > a:hover,
.nav-dropdown-toggle:hover {
    color: var(--primary);
}

.brand-nav > a.active {
    color: var(--primary);
}

.brand-name {
    color: var(--text-muted);
}

.brand-icon {
    width: 1.5rem;
    height: auto;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    cursor: pointer;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--background-high);
    width: max-content;
    display: none;
    flex-direction: column;
    z-index: 10;
}

.nav-dropdown:hover .nav-dropdown-menu {
    display: flex;
}

.nav-dropdown-menu a {
    color: var(--text-bright);
    text-decoration: none;
    padding: 0.2rem 0.5rem;
}

.nav-dropdown-menu a:hover {
    background-color: var(--background-low);
}

.nav-logout {
    display: inline-block;
    margin-left: auto;
    color: var(--text);
    text-decoration: none;
    padding: 0 0.25rem;
}

#open-all-ops-links {
    background-color: var(--green);
}
/* ============================================================
   3. Clocks
   ============================================================ */
.clock {
    padding: 0.4rem 0.6rem;
}

.clock[data-tz="UTC"] {
    background: var(--slate-tint);
}
.clock[data-tz="America/Los_Angeles"] {
    background: var(--orange-tint);
}
.clock[data-tz="America/Phoenix"] {
    background: var(--orange-tint);
}
.clock[data-tz="America/Denver"] {
    background: var(--green-tint);
}
.clock[data-tz="America/Chicago"] {
    background: var(--teal-tint);
}
.clock[data-tz="America/New_York"] {
    background: var(--blue-tint);
}
.clock[data-tz="America/Puerto_Rico"] {
    background: var(--purple-tint);
}

.clock-tz {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-bright);
    padding: 0.25rem 0.6rem;
    margin: -0.4rem -0.6rem 0.35rem -0.63rem;
}

.clock[data-tz="UTC"] .clock-tz {
    background: var(--slate);
}
.clock[data-tz="America/Los_Angeles"] .clock-tz {
    background: var(--orange);
}
.clock[data-tz="America/Phoenix"] .clock-tz {
    background: var(--orange);
}
.clock[data-tz="America/Denver"] .clock-tz {
    background: var(--green);
}
.clock[data-tz="America/Chicago"] .clock-tz {
    background: var(--teal);
}
.clock[data-tz="America/New_York"] .clock-tz {
    background: var(--blue);
}
.clock[data-tz="America/Puerto_Rico"] .clock-tz {
    background: var(--purple);
}

.clock-offset {
    font-size: 0.6rem;
    font-weight: 400;
    font-family: monospace;
    color: var(--text-bright);
}

.clock-time {
    font-size: 1.4rem;
    font-family: monospace;
    font-weight: bold;
    line-height: 1.1;
    color: var(--text-bright);
    letter-spacing: 0.03em;
}

.clock-seconds {
    font-size: 0.8rem;
    font-weight: normal;
    color: var(--text-muted);
}

.clock-date {
    font-size: 0.63rem;
    color: var(--text-muted);
    margin-bottom: 0.1rem;
    font-family: monospace;
}

.clock-bases {
    font-size: 0.68rem;
    margin-top: 0.15rem;
    line-height: 1.5;
}

.base-code {
    color: var(--text-bright);
    font-weight: 600;
    font-family: monospace;
}

.base-id {
    color: var(--text-muted);
    font-family: monospace;
}

/* ============================================================
   4. NATO
   ============================================================ */
.nato {
    padding: 0.4rem 0.6rem;
    border-top: 1px solid var(--slate);
    border-bottom: 1px solid var(--slate);
}

.nato-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 0.5rem;
}

.nato-word {
    font-size: 0.75rem;
    font-family: monospace;
    color: var(--text-muted);
    line-height: 1.6;
}

.nato-letter {
    color: #fff;
}

.nato-dash {
    color: var(--text-muted);
}

/* ============================================================
   5. Body content
   ============================================================ */

.pilot-header, .fa-header, .other-header {
    scroll-margin-top: 16px;
}

.pilot-header {
    color: var(--pilot-blue);
    border-bottom: 2px solid var(--pilot-blue);
}

.fa-header {
    color: var(--fa-purple);
    border-bottom: 2px solid var(--fa-purple);
}

.other-header {
    color: var(--other-green);
    border-bottom: 2px solid var(--other-green);
}


/* ============================================================
   6. Tables
   ============================================================ */

table {
    border-collapse: collapse;
}

th, td {
    padding: 0.25rem 0.6rem;
    border: 1px solid var(--background-low);
}

thead th {
    background-color: var(--background-low);
    color: var(--text-bright);
}

tbody td {
    background-color: var(--background-high);
    color: var(--text-bright);
}