/* ==========================================================================
   CHRONOPORT · style.css
   --------------------------------------------------------------------------
   A holographic console from the year 3050: deep-space black, cyan and
   violet plasma, glass panels, hairline HUD rules and a warping starfield.
   System fonts only — nothing is fetched from anywhere.
   ========================================================================== */

:root {
    --void: #04060f;
    --void-2: #070b1a;
    --ink: #e8f4ff;
    --ink-dim: #93a8c8;
    --ink-faint: #61748f;

    --cyan: #40f0ff;
    --violet: #b070ff;
    --magenta: #ff5ecb;
    --amber: #ffc46b;
    --lime: #7dffb0;

    --line: rgba(120, 200, 255, 0.16);
    --line-2: rgba(120, 200, 255, 0.32);
    --glass: rgba(10, 18, 38, 0.62);
    --glass-2: rgba(14, 24, 48, 0.45);

    --r-lg: 20px;
    --r-md: 14px;
    --r-sm: 9px;

    --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
    --sans: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;

    --shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}

* {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(120% 90% at 50% -10%, #101a3a 0%, var(--void-2) 45%, var(--void) 100%);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: 0.01em;
    overflow-x: hidden;
}

body.is-frozen {
    --cyan: #9fd6ff;
}

body.is-frozen::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 3;
    background: linear-gradient(180deg, rgba(120, 200, 255, .07), rgba(180, 120, 255, .07));
    animation: freezePulse 3s ease-in-out infinite;
}

@keyframes freezePulse {

    0%,
    100% {
        opacity: .35;
    }

    50% {
        opacity: .9;
    }
}

/* ---- Backdrop layers -------------------------------------------------- */
#warpfield {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: .75;
}

.grid-floor {
    position: fixed;
    left: -25%;
    right: -25%;
    bottom: -12vh;
    height: 62vh;
    z-index: 0;
    pointer-events: none;
    background:
        repeating-linear-gradient(90deg, rgba(64, 240, 255, .22) 0 1px, transparent 1px 90px),
        repeating-linear-gradient(0deg, rgba(176, 112, 255, .20) 0 1px, transparent 1px 70px);
    transform: perspective(520px) rotateX(74deg);
    mask-image: linear-gradient(to top, #000 0%, transparent 78%);
    -webkit-mask-image: linear-gradient(to top, #000 0%, transparent 78%);
    opacity: .55;
}

.scanlines {
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: repeating-linear-gradient(0deg, rgba(255, 255, 255, .035) 0 1px, transparent 1px 3px);
    mix-blend-mode: overlay;
}

.vignette {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: radial-gradient(110% 80% at 50% 40%, transparent 45%, rgba(0, 0, 0, .72) 100%);
}

/* ---- Chrome ----------------------------------------------------------- */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 99;
    background: var(--cyan);
    color: #04121a;
    padding: .6rem 1rem;
    border-radius: 0 0 var(--r-sm) 0;
    font-weight: 700;
}

.skip-link:focus {
    left: 0;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 12;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    background: linear-gradient(180deg, rgba(4, 8, 20, .92), rgba(4, 8, 20, .55));
    border-bottom: 1px solid var(--line);
}

.topbar-in {
    max-width: 1220px;
    margin: 0 auto;
    padding: .7rem clamp(1rem, 3vw, 2rem);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.mark {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    text-decoration: none;
    color: var(--ink);
    font-family: var(--mono);
    letter-spacing: .22em;
    font-size: .95rem;
}

.mark-ring {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--cyan);
    border-right-color: transparent;
    border-bottom-color: var(--violet);
    animation: spin 4.5s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.mark-text b {
    color: var(--cyan);
    font-weight: 700;
}

.topbar-meta {
    margin: 0;
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    flex: 1;
    justify-content: center;
}

.tag {
    font-family: var(--mono);
    font-size: .68rem;
    letter-spacing: .16em;
    padding: .28rem .6rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--ink-dim);
    background: var(--glass-2);
    white-space: nowrap;
}

.tag-live {
    color: var(--lime);
    border-color: rgba(125, 255, 176, .35);
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}

.tag-live .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--lime);
    box-shadow: 0 0 10px var(--lime);
    animation: blink 1.8s ease-in-out infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: .25;
    }
}

.back {
    color: var(--ink-dim);
    text-decoration: none;
    font-size: .85rem;
    border: 1px solid var(--line);
    padding: .3rem .8rem;
    border-radius: 999px;
    transition: color .2s, border-color .2s, background .2s;
}

.back:hover,
.back:focus-visible {
    color: var(--cyan);
    border-color: var(--line-2);
    background: var(--glass-2);
}

/* ---- Layout ----------------------------------------------------------- */
main {
    position: relative;
    z-index: 4;
    max-width: 1220px;
    margin: 0 auto;
    padding: clamp(1.6rem, 4vw, 3rem) clamp(1rem, 3vw, 2rem) 4rem;
    display: grid;
    gap: clamp(1.4rem, 3vw, 2.2rem);
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* ---- Hero / prime chronometer ----------------------------------------- */
.hero {
    text-align: center;
    padding: clamp(1.5rem, 4vw, 3rem) 1rem 1.5rem;
}

.eyebrow {
    margin: 0 0 .8rem;
    font-family: var(--mono);
    font-size: .74rem;
    letter-spacing: .34em;
    text-transform: uppercase;
    color: var(--cyan);
    opacity: .85;
}

.eyebrow b {
    color: var(--magenta);
}

.prime {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: .1rem;
    font-family: var(--mono);
    font-weight: 700;
    line-height: 1;
    text-shadow: 0 0 30px rgba(64, 240, 255, .45), 0 0 90px rgba(176, 112, 255, .35);
}

.prime-time {
    font-size: clamp(3rem, 13vw, 8.4rem);
    background: linear-gradient(180deg, #ffffff 0%, var(--cyan) 55%, var(--violet) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-variant-numeric: tabular-nums;
}

.prime-frac {
    font-size: clamp(1rem, 3.4vw, 2.1rem);
    color: var(--magenta);
    font-variant-numeric: tabular-nums;
    opacity: .8;
}

.prime-sub {
    margin: .9rem 0 0;
    color: var(--ink-dim);
    font-size: clamp(.85rem, 2.4vw, 1.02rem);
    letter-spacing: .04em;
}

.prime-sub .sep {
    color: var(--violet);
    margin: 0 .55rem;
    font-size: .6em;
    vertical-align: middle;
}

/* ---- Beacon ----------------------------------------------------------- */
.beacon {
    margin: 1.8rem auto 0;
    max-width: 900px;
}

.beacon-row {
    display: flex;
    gap: .7rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    font: inherit;
    font-size: .9rem;
    color: var(--ink);
    background: var(--glass);
    border: 1px solid var(--line-2);
    border-radius: 999px;
    padding: .6rem 1.15rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    transition: transform .15s, box-shadow .2s, border-color .2s, background .2s;
}

.btn:hover,
.btn:focus-visible {
    transform: translateY(-1px);
    border-color: var(--cyan);
    box-shadow: 0 0 0 1px rgba(64, 240, 255, .22), 0 10px 30px rgba(64, 240, 255, .15);
}

.btn-primary {
    background: linear-gradient(120deg, rgba(64, 240, 255, .22), rgba(176, 112, 255, .28));
    border-color: rgba(64, 240, 255, .5);
    font-weight: 600;
}

.btn.is-on {
    border-color: var(--magenta);
    color: var(--magenta);
    box-shadow: 0 0 0 1px rgba(255, 94, 203, .3);
}

.manual {
    margin: 1rem auto 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: .8rem;
    align-items: end;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: var(--glass-2);
}

.manual label {
    display: grid;
    gap: .35rem;
    font-size: .78rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--ink-faint);
    text-align: left;
}

input,
select {
    font: inherit;
    font-size: .95rem;
    color: var(--ink);
    background: rgba(4, 10, 24, .8);
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    padding: .55rem .7rem;
    width: 100%;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(64, 240, 255, .14);
}

select option {
    background: #0a1226;
}

.beacon-state {
    margin: .9rem 0 0;
    font-size: .86rem;
    color: var(--ink-dim);
}

.beacon-state b {
    color: var(--cyan);
    font-weight: 600;
}

/* ---- Panels ----------------------------------------------------------- */
.panel {
    position: relative;
    padding: clamp(1.1rem, 3vw, 1.9rem);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    background: linear-gradient(160deg, var(--glass), rgba(6, 10, 24, .78));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.panel::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent);
    opacity: .8;
}

.panel-moon::before {
    background: linear-gradient(90deg, transparent, #9fb0cf, var(--violet), transparent);
}

.panel-warp::before {
    background: linear-gradient(90deg, transparent, var(--magenta), var(--cyan), transparent);
}

.panel-head {
    margin-bottom: 1.2rem;
}

.panel-head h2 {
    margin: 0;
    font-size: clamp(1.15rem, 3vw, 1.55rem);
    letter-spacing: .1em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: .6rem;
}

.glyph {
    color: var(--cyan);
    font-size: 1.1em;
    filter: drop-shadow(0 0 10px rgba(64, 240, 255, .6));
}

.panel-moon .glyph {
    color: #cfe0ff;
}

.panel-sub {
    margin: .4rem 0 0;
    color: var(--ink-dim);
    font-size: .92rem;
    max-width: 70ch;
}

.mini-title {
    margin: 1.6rem 0 .7rem;
    font-size: .78rem;
    letter-spacing: .28em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

/* ---- Stat grid -------------------------------------------------------- */
.stat-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: .7rem;
}

.stat-grid-wide {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.stat {
    padding: .75rem .85rem;
    border: 1px solid var(--line);
    border-left: 2px solid rgba(64, 240, 255, .4);
    border-radius: var(--r-sm);
    background: rgba(6, 12, 28, .55);
    display: grid;
    gap: .15rem;
    transition: border-color .2s, transform .15s, background .2s;
}

.stat:hover {
    border-color: var(--line-2);
    border-left-color: var(--cyan);
    transform: translateY(-2px);
    background: rgba(10, 20, 44, .7);
}

.stat.is-good {
    border-left-color: var(--lime);
}

.stat-label {
    font-size: .68rem;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.stat-value {
    font-size: 1.12rem;
    font-weight: 600;
    color: var(--ink);
    word-break: break-word;
}

.stat-note {
    font-size: .78rem;
    color: var(--ink-dim);
}

.mono {
    font-family: var(--mono);
    font-variant-numeric: tabular-nums;
}

/* ---- Sun -------------------------------------------------------------- */
.sun-body {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 1.4rem;
    align-items: start;
}

@media (max-width: 900px) {
    .sun-body {
        grid-template-columns: 1fr;
    }
}

.sky-wrap {
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: linear-gradient(180deg, rgba(10, 22, 50, .7), rgba(4, 8, 20, .8));
    padding: .6rem .6rem .2rem;
}

#skyArc {
    width: 100%;
    display: block;
}

.sky-caption {
    margin: .3rem .3rem .6rem;
    font-size: .76rem;
    color: var(--ink-faint);
}

.twilight-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: .3rem;
}

.tw {
    display: grid;
    grid-template-columns: 8.2rem minmax(0, 12rem) minmax(0, 1fr);
    gap: .8rem;
    align-items: baseline;
    padding: .42rem .7rem;
    border-radius: var(--r-sm);
    border: 1px solid transparent;
    background: linear-gradient(90deg, rgba(64, 240, 255, .07), transparent 60%);
    font-size: .9rem;
}

.tw.is-past {
    opacity: .45;
    background: none;
}

.tw-time {
    color: var(--amber);
}

.tw-name {
    font-weight: 600;
}

.tw-note {
    color: var(--ink-faint);
    font-size: .82rem;
}

@media (max-width: 640px) {
    .tw {
        grid-template-columns: 7rem 1fr;
    }

    .tw-note {
        grid-column: 1 / -1;
    }
}

/* ---- Moon ------------------------------------------------------------- */
.moon-body {
    display: grid;
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: 1.6rem;
    align-items: start;
}

@media (max-width: 900px) {
    .moon-body {
        grid-template-columns: 1fr;
        justify-items: center;
    }
}

.moon-wrap {
    text-align: center;
}

#moonDisc {
    width: 100%;
    max-width: 320px;
    display: block;
    margin: 0 auto;
}

.moon-phase {
    margin: .4rem 0 .6rem;
    font-family: var(--mono);
    letter-spacing: .2em;
    text-transform: uppercase;
    font-size: .86rem;
    color: #cfe0ff;
}

.moon-track {
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(90deg, #10182c, #cfe0ff 50%, #10182c);
    position: relative;
    margin: 0 auto;
    max-width: 320px;
}

.moon-track::after {
    content: "";
    position: absolute;
    top: 50%;
    left: calc(var(--phase, 0) * 100%);
    width: 12px;
    height: 12px;
    margin: -6px 0 0 -6px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 14px rgba(207, 224, 255, .9);
}

/* ---- World chronoscope ------------------------------------------------ */
.world-tools {
    display: flex;
    gap: .8rem;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 1rem;
}

.field {
    flex: 1 1 260px;
}

.segmented {
    display: inline-flex;
    border: 1px solid var(--line);
    border-radius: 999px;
    overflow: hidden;
    background: var(--glass-2);
}

.seg {
    font: inherit;
    font-size: .8rem;
    padding: .45rem .9rem;
    background: none;
    border: 0;
    color: var(--ink-dim);
    cursor: pointer;
    transition: background .2s, color .2s;
}

.seg.is-on {
    background: linear-gradient(120deg, rgba(64, 240, 255, .25), rgba(176, 112, 255, .3));
    color: #fff;
}

.world-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(184px, 1fr));
    gap: .7rem;
}

.wc {
    position: relative;
    padding: .8rem .85rem;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: rgba(6, 12, 28, .6);
    overflow: hidden;
    transition: transform .15s, border-color .2s;
}

.wc:hover {
    transform: translateY(-3px);
    border-color: var(--line-2);
}

.wc::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 3px;
}

.wc-date {
    font-size: .74rem;
    color: var(--ink-faint);
}

.wc-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: .5rem;
}

.wc-city {
    font-weight: 600;
    font-size: .96rem;
}

.wc-flagless {
    font-size: .68rem;
    color: var(--ink-faint);
    text-align: right;
}

.wc-time {
    font-size: 1.5rem;
    line-height: 1.2;
    color: var(--ink);
}

.wc-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: .4rem;
    margin-top: .4rem;
}

.wc-pill {
    font-size: .66rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: .16rem .5rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    color: var(--ink-dim);
}

.wc-off {
    font-size: .72rem;
    color: var(--ink-faint);
}

.wc-delta {
    margin-top: .3rem;
    font-size: .72rem;
    color: var(--ink-faint);
}

.wc.is-day {
    background: linear-gradient(160deg, rgba(255, 196, 107, .16), rgba(6, 12, 28, .7));
}

.wc.is-day .wc-pill {
    color: var(--amber);
    border-color: rgba(255, 196, 107, .45);
}

.wc.is-golden {
    background: linear-gradient(160deg, rgba(255, 138, 76, .18), rgba(6, 12, 28, .7));
}

.wc.is-golden .wc-pill {
    color: #ffa46b;
    border-color: rgba(255, 164, 107, .45);
}

.wc.is-civil {
    background: linear-gradient(160deg, rgba(120, 130, 255, .16), rgba(6, 12, 28, .7));
}

.wc.is-civil .wc-pill {
    color: #9aa6ff;
    border-color: rgba(154, 166, 255, .4);
}

.wc.is-night .wc-pill,
.wc.is-deep .wc-pill {
    color: #7f8fb5;
}

.wc.is-deep {
    background: linear-gradient(160deg, rgba(10, 14, 34, .9), rgba(4, 6, 16, .9));
}

.terminator-note {
    margin: 1rem 0 0;
    font-size: .84rem;
    color: var(--ink-dim);
}

/* ---- Bars ------------------------------------------------------------- */
.bars {
    margin-top: 1.4rem;
    display: grid;
    gap: .7rem;
}

.bar-head {
    display: flex;
    justify-content: space-between;
    font-size: .78rem;
    color: var(--ink-dim);
    margin-bottom: .25rem;
}

.bar-rail {
    height: 8px;
    border-radius: 999px;
    background: rgba(120, 200, 255, .1);
    border: 1px solid var(--line);
    overflow: hidden;
}

.bar-rail i {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--cyan), var(--violet), var(--magenta));
    box-shadow: 0 0 14px rgba(64, 240, 255, .5);
    transition: width .4s ease;
}

/* ---- Warp ------------------------------------------------------------- */
.warp-body {
    display: grid;
    gap: 1.2rem;
}

.warp-slider {
    display: grid;
    gap: .5rem;
    font-size: .82rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.warp-slider output {
    color: var(--magenta);
    font-family: var(--mono);
    font-size: 1rem;
    letter-spacing: normal;
    margin-left: .5rem;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    padding: 0;
    height: 8px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--cyan), var(--violet), var(--magenta));
    border: 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--cyan);
    box-shadow: 0 0 16px rgba(64, 240, 255, .8);
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--cyan);
    box-shadow: 0 0 16px rgba(64, 240, 255, .8);
    cursor: pointer;
}

.warp-note {
    margin: 1.1rem 0 0;
    color: var(--ink-dim);
    font-size: .9rem;
}

.warp-note b {
    color: var(--magenta);
    font-family: var(--mono);
}

/* ---- Footer ----------------------------------------------------------- */
.disclaimer {
    margin: 0;
    text-align: center;
    font-size: .8rem;
    color: var(--ink-faint);
    max-width: 78ch;
    justify-self: center;
}

.foot {
    position: relative;
    z-index: 4;
    border-top: 1px solid var(--line);
    padding: 1.4rem 1rem 2.4rem;
    text-align: center;
    font-size: .82rem;
    color: var(--ink-faint);
}

.foot .muted {
    opacity: .8;
    font-style: italic;
}

/* ---- Motion & print --------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
}

@media print {

    #warpfield,
    .grid-floor,
    .scanlines,
    .vignette {
        display: none;
    }

    body {
        background: #fff;
        color: #000;
    }
}