/* ==========================================================================
   longitude.quest v2 — brutalist navigation command-deck
   palette: navy void + phosphor green + warning amber + alarm red
   type: Space Grotesk (display) + JetBrains Mono (telemetry)
   ========================================================================== */

:root {
    --navy-void:        #0b1a26;
    --panel-surface:    #112332;
    --hard-rule:        #1d3a4f;
    --phosphor:         #7cf2a8;
    --phosphor-dim:     #4ea676;
    --amber:            #f0b840;
    --alarm:            #ef5a5a;
    --ledger-ink:       #d4e3d8;
    --slate:            #6e8896;
    --tooltip-bg:       #07121b;

    --font-display:     'Space Grotesk', system-ui, sans-serif;
    --font-mono:        'JetBrains Mono', ui-monospace, monospace;

    --rule-thick:       2px;
    --grid-gutter:      24px;
    --panel-pad:        clamp(20px, 3vw, 32px);
    --section-rhythm:   clamp(64px, 9vh, 120px);

    --corner-size:      14px;
    --corner-stroke:    2px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    background: var(--navy-void);
    color: var(--ledger-ink);
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    padding: clamp(16px, 2.5vw, 28px);
    position: relative;
}

/* ---- scanline overlay (fixed, never scrolls) ---- */
.scanlines {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1000;
    background-image: repeating-linear-gradient(
        to bottom,
        rgba(124, 242, 168, 0) 0,
        rgba(124, 242, 168, 0) 3px,
        rgba(124, 242, 168, 0.045) 3px,
        rgba(124, 242, 168, 0.045) 4px
    );
    mix-blend-mode: screen;
}

/* ---- console wrapper ---- */
.console {
    border: var(--rule-thick) solid var(--hard-rule);
    padding: clamp(12px, 1.6vw, 22px);
    display: flex;
    flex-direction: column;
    gap: var(--section-rhythm);
    position: relative;
    background:
        radial-gradient(circle at 20% 0%, rgba(124,242,168,0.025), transparent 60%),
        radial-gradient(circle at 90% 90%, rgba(240,184,64,0.02), transparent 60%),
        var(--navy-void);
}

/* ---- generic panel ---- */
.panel {
    position: relative;
    border: var(--rule-thick) solid var(--hard-rule);
    background: var(--panel-surface);
    padding: var(--panel-pad);
    color: var(--ledger-ink);
}

/* corner-tick L brackets */
.corner {
    position: absolute;
    width: var(--corner-size);
    height: var(--corner-size);
    pointer-events: none;
}
.corner::before, .corner::after {
    content: '';
    position: absolute;
    background: var(--phosphor);
}
.corner::before { width: 100%; height: var(--corner-stroke); }
.corner::after  { width: var(--corner-stroke); height: 100%; }

.corner-tl { top: 6px; left: 6px; }
.corner-tl::before { top: 0; left: 0; }
.corner-tl::after  { top: 0; left: 0; }

.corner-tr { top: 6px; right: 6px; }
.corner-tr::before { top: 0; right: 0; }
.corner-tr::after  { top: 0; right: 0; }

.corner-bl { bottom: 6px; left: 6px; }
.corner-bl::before { bottom: 0; left: 0; }
.corner-bl::after  { bottom: 0; left: 0; }

.corner-br { bottom: 6px; right: 6px; }
.corner-br::before { bottom: 0; right: 0; }
.corner-br::after  { bottom: 0; right: 0; }

/* panel tag (top-left label) */
.panel-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--phosphor);
    text-transform: uppercase;
    margin-bottom: 18px;
    display: inline-block;
    border: 1px solid var(--phosphor-dim);
    padding: 4px 10px;
    background: var(--navy-void);
}

/* status pills */
.status-pill {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 4px 10px;
    border: 2px solid currentColor;
    margin-left: 10px;
    margin-bottom: 18px;
    background: var(--navy-void);
}
.status-red       { color: var(--alarm);    }
.status-amber     { color: var(--amber);    }
.status-phosphor  { color: var(--phosphor); }
.status-slate     { color: var(--slate);    }

/* row labels */
.row-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--phosphor-dim);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

/* key-value rows used across panels */
.kv-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.5;
    padding: 6px 0;
    border-bottom: 1px dashed var(--hard-rule);
}
.kv-key {
    color: var(--phosphor-dim);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    flex: 0 0 auto;
}
.kv-val {
    color: var(--ledger-ink);
    text-align: right;
    flex: 1;
    word-break: break-word;
}
.ph-green { color: var(--phosphor); }

/* =========================================================================
   [00] BOOT PANEL
   ========================================================================= */
.panel-boot {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.boot-grid {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 320px;
    grid-template-rows: auto 1fr auto;
    grid-template-areas:
        "status   clock"
        "title    readout"
        "pushdown pushdown";
    gap: 28px;
    align-items: start;
    margin-top: 12px;
}

.boot-status {
    grid-area: status;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--phosphor);
    letter-spacing: 0.04em;
    line-height: 1.6;
    min-height: 24px;
}
.cursor-block {
    display: inline-block;
    width: 9px;
    height: 14px;
    background: var(--phosphor);
    margin-left: 4px;
    vertical-align: -2px;
    animation: blink-step 1.04s step-end infinite;
}
@keyframes blink-step {
    0%, 49.999%   { opacity: 1; }
    50%, 100%     { opacity: 0; }
}

.boot-clock {
    grid-area: clock;
    border-left: 2px solid var(--hard-rule);
    padding-left: 16px;
}
.clock-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 5px 0;
    border-bottom: 1px dashed var(--hard-rule);
}
.clock-label {
    color: var(--phosphor-dim);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.clock-val {
    color: var(--phosphor);
    font-weight: 700;
    text-align: right;
}

.boot-title {
    grid-area: title;
    align-self: center;
    margin-top: clamp(20px, 4vw, 40px);
}

.display-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(64px, 13vw, 220px);
    line-height: 0.92;
    letter-spacing: -0.02em;
    color: var(--phosphor);
    text-transform: uppercase;
    text-shadow: 0 0 18px rgba(124, 242, 168, 0.18);
    margin: 0;
}

.display-underline {
    display: block;
    height: 4px;
    background: var(--phosphor);
    width: 0%;
    margin-top: 12px;
    margin-bottom: 18px;
    transition: width 600ms ease-out 700ms;
}
.panel-boot.booted .display-underline { width: min(540px, 100%); }

.display-meta {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--amber);
    letter-spacing: 0.05em;
    margin-top: 4px;
}

.boot-readout {
    grid-area: readout;
    align-self: end;
    border-left: 2px solid var(--hard-rule);
    padding-left: 16px;
}
.readout-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 5px 0;
    border-bottom: 1px dashed var(--hard-rule);
}
.readout-row span:first-child {
    color: var(--phosphor-dim);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.readout-row span:last-child {
    color: var(--ledger-ink);
    text-align: right;
}

/* push-down bar */
.push-down-bar {
    grid-area: pushdown;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0;
    margin-top: 32px;
    border-top: 2px solid var(--hard-rule);
    padding-top: 18px;
}
.push-cell {
    border: 1px solid var(--hard-rule);
    padding: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--phosphor);
    text-align: center;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.push-cell + .push-cell { border-left: none; }
.cell-blink {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--phosphor);
    animation: blink-step 1.04s step-end infinite;
}

/* =========================================================================
   [01] PROBLEM_LOG
   ========================================================================= */
.problem-grid {
    display: grid;
    grid-template-columns: minmax(280px, 1fr) 1.2fr;
    gap: 32px;
    margin-top: 20px;
}

.ledger {
    border: 1px solid var(--hard-rule);
    background: var(--navy-void);
    overflow: hidden;
}
.ledger-head, .ledger-row {
    display: grid;
    grid-template-columns: 60px 1fr 60px 100px;
    gap: 8px;
    padding: 8px 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    border-bottom: 1px dashed var(--hard-rule);
    transition: background 80ms steps(2, end), color 80ms steps(2, end);
}
.ledger-head {
    background: var(--hard-rule);
    color: var(--phosphor);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-bottom: 2px solid var(--phosphor-dim);
}
.ledger-row {
    color: var(--ledger-ink);
}
.ledger-row span:first-child { color: var(--amber); }
.ledger-row span:nth-child(3) { color: var(--alarm); text-align: right; }
.ledger-row span:nth-child(4) { color: var(--slate); text-align: right; }
.ledger-row:hover {
    background: var(--phosphor);
    color: var(--navy-void);
}
.ledger-row:hover span { color: var(--navy-void) !important; }

.problem-prose p {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(15px, 1.3vw, 17px);
    line-height: 1.55;
    margin-bottom: 14px;
    color: var(--ledger-ink);
}
.prose-callout {
    font-family: var(--font-mono) !important;
    font-weight: 400 !important;
    font-size: 13px !important;
    color: var(--amber) !important;
    border-left: 2px solid var(--amber);
    padding: 10px 14px;
    margin-top: 14px !important;
    background: rgba(240, 184, 64, 0.04);
    line-height: 1.55;
}

/* =========================================================================
   [02] PRIZE_TICKET
   ========================================================================= */
.ticket-card {
    border: 2px solid var(--phosphor-dim);
    background: var(--navy-void);
    padding: 24px;
    margin-top: 16px;
}

.ticket-header {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
    border-bottom: 2px solid var(--phosphor-dim);
    padding-bottom: 14px;
    margin-bottom: 18px;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    color: var(--phosphor);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ticket-fields {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ticket-progress {
    margin-top: 24px;
    border-top: 1px dashed var(--hard-rule);
    padding-top: 18px;
}
.progress-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--phosphor-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.progress-bar {
    width: 100%;
    height: 10px;
    border: 1px solid var(--phosphor-dim);
    background: var(--navy-void);
    position: relative;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--phosphor-dim) 0%, var(--phosphor) 100%);
    transition: width 1800ms cubic-bezier(0.7, 0, 0.3, 1);
}
.panel-ticket.booted .progress-fill { width: 100%; }

.progress-stamps {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
}
.stamp {
    border: 1px solid var(--hard-rule);
    padding: 4px 10px;
    color: var(--slate);
    letter-spacing: 0.05em;
}
.stamp-done {
    color: var(--phosphor);
    border-color: var(--phosphor);
    background: rgba(124, 242, 168, 0.06);
}

/* =========================================================================
   [03] H4_TELEMETRY
   ========================================================================= */
.h4-grid {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 36px;
    align-items: start;
    margin-top: 16px;
}

.h4-schematic {
    border: 1px solid var(--hard-rule);
    background: var(--navy-void);
    padding: 16px;
}
.schematic-svg {
    width: 100%;
    height: auto;
    display: block;
}

.h4-spec {
    display: flex;
    flex-direction: column;
}

.drift-graph {
    margin-top: 32px;
    border-top: 1px dashed var(--hard-rule);
    padding-top: 18px;
}
.drift-svg {
    width: 100%;
    height: auto;
    display: block;
    background: var(--navy-void);
    border: 1px solid var(--hard-rule);
    padding: 8px;
}
.drift-svg #drift-line {
    stroke-dasharray: 1200;
    stroke-dashoffset: 1200;
    transition: stroke-dashoffset 1600ms ease-out 200ms;
}
.panel-h4.booted .drift-svg #drift-line { stroke-dashoffset: 0; }

/* =========================================================================
   [04] WORLD_GRID
   ========================================================================= */
.world-grid-wrap {
    margin-top: 18px;
    display: grid;
    grid-template-columns: 32px 1fr;
    grid-template-rows: 1fr 22px;
    grid-template-areas:
        "axis-y grid"
        ".      axis-x";
    gap: 6px;
    position: relative;
}

.grid-axis-label-y {
    grid-area: axis-y;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--phosphor-dim);
    text-align: right;
    padding-right: 6px;
}
.grid-axis-label-x {
    grid-area: axis-x;
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--phosphor-dim);
    padding-left: 32px;
    grid-column: 1 / -1;
    grid-row: 2;
    margin-left: 32px;
}

.world-grid {
    grid-area: grid;
    position: relative;
    height: clamp(280px, 38vw, 460px);
    border: 2px solid var(--hard-rule);
    background:
        /* horizontal latitudes (12 lines) */
        repeating-linear-gradient(
            to bottom,
            transparent 0,
            transparent calc((100% / 12) - 1px),
            var(--hard-rule) calc((100% / 12) - 1px),
            var(--hard-rule) calc(100% / 12)
        ),
        /* vertical meridians (24 lines) */
        repeating-linear-gradient(
            to right,
            transparent 0,
            transparent calc((100% / 24) - 1px),
            var(--hard-rule) calc((100% / 24) - 1px),
            var(--hard-rule) calc(100% / 24)
        ),
        var(--navy-void);
    overflow: hidden;
}

/* equator + prime meridian highlighted */
.world-grid::before {
    content: '';
    position: absolute;
    left: 0; right: 0; top: 50%;
    height: 1px;
    background: var(--phosphor-dim);
    opacity: 0.7;
}
.world-grid::after {
    content: '';
    position: absolute;
    top: 0; bottom: 0; left: 50%;
    width: 1px;
    background: var(--phosphor-dim);
    opacity: 0.7;
}

.noon-line {
    position: absolute;
    top: 0; bottom: 0;
    left: 0%;
    width: 2px;
    background: var(--amber);
    box-shadow: 0 0 12px rgba(240, 184, 64, 0.6);
    pointer-events: none;
    transition: left 80ms linear;
}
.noon-line-label {
    position: absolute;
    top: 6px;
    left: 6px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    color: var(--amber);
    letter-spacing: 0.1em;
    background: var(--navy-void);
    padding: 1px 6px;
    border: 1px solid var(--amber);
    white-space: nowrap;
}

.grid-marker {
    position: absolute;
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 4;
}
.marker-dot {
    display: block;
    width: 8px;
    height: 8px;
    background: var(--phosphor);
    border: 1px solid var(--navy-void);
    box-shadow: 0 0 8px rgba(124, 242, 168, 0.8);
    animation: marker-blink 2s step-end infinite;
    transition: width 60ms steps(2, end), height 60ms steps(2, end), background 60ms steps(2, end);
}
@keyframes marker-blink {
    0%, 79%   { opacity: 1; }
    80%, 100% { opacity: 0.35; }
}
.marker-label {
    position: absolute;
    top: 12px;
    left: 12px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    color: var(--phosphor);
    letter-spacing: 0.06em;
    text-shadow: 0 0 4px var(--navy-void);
    white-space: nowrap;
}
.grid-marker:hover .marker-dot {
    width: 14px;
    height: 14px;
    background: var(--amber);
    box-shadow: 0 0 12px rgba(240, 184, 64, 0.9);
}
.grid-marker:hover .marker-label { color: var(--amber); }

.grid-tooltip {
    position: absolute;
    pointer-events: none;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--phosphor);
    background: var(--tooltip-bg);
    border: 1px solid var(--phosphor);
    padding: 6px 10px;
    letter-spacing: 0.06em;
    white-space: pre;
    opacity: 0;
    transform: translate(8px, 8px);
    z-index: 10;
    transition: opacity 60ms steps(2, end);
    line-height: 1.5;
}
.grid-tooltip.show { opacity: 1; }

.world-readout {
    margin-top: 22px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 0 28px;
}

/* =========================================================================
   [05] RESOLUTION
   ========================================================================= */
.panel-resolved {
    text-align: left;
}
.resolved-content {
    padding: 24px 0 8px;
}
.resolved-headline {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(36px, 6.5vw, 84px);
    line-height: 0.95;
    color: var(--phosphor);
    letter-spacing: -0.02em;
    text-transform: uppercase;
    text-shadow: 0 0 14px rgba(124, 242, 168, 0.2);
    margin-bottom: 18px;
    border-bottom: 4px solid var(--phosphor);
    padding-bottom: 14px;
    display: inline-block;
}
.resolved-meta {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--ledger-ink);
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}
.resolved-meta.dim { color: var(--slate); }

.resolved-eof {
    margin-top: 32px;
    border-top: 2px solid var(--hard-rule);
    padding-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
    align-items: baseline;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--amber);
    letter-spacing: 0.1em;
}
.eof-stamp { color: var(--slate); }

/* =========================================================================
   IntersectionObserver reveal — hard step (no fade)
   ========================================================================= */
.panel:not(.booted):not(.panel-boot) > .panel-tag,
.panel:not(.booted):not(.panel-boot) > .status-pill,
.panel:not(.booted):not(.panel-boot) > .ticket-card,
.panel:not(.booted):not(.panel-boot) > .problem-grid,
.panel:not(.booted):not(.panel-boot) > .h4-grid,
.panel:not(.booted):not(.panel-boot) > .drift-graph,
.panel:not(.booted):not(.panel-boot) > .world-grid-wrap,
.panel:not(.booted):not(.panel-boot) > .world-readout,
.panel:not(.booted):not(.panel-boot) > .resolved-content {
    visibility: hidden;
}

.panel.booted > .panel-tag,
.panel.booted > .status-pill,
.panel.booted > .ticket-card,
.panel.booted > .problem-grid,
.panel.booted > .h4-grid,
.panel.booted > .drift-graph,
.panel.booted > .world-grid-wrap,
.panel.booted > .world-readout,
.panel.booted > .resolved-content {
    visibility: visible;
}

/* sweep scan across panel on first reveal */
.panel.scanning::before {
    content: '';
    position: absolute;
    left: 0; right: 0;
    top: 0;
    height: 18px;
    background: linear-gradient(
        to bottom,
        rgba(124, 242, 168, 0.0)  0%,
        rgba(124, 242, 168, 0.35) 50%,
        rgba(124, 242, 168, 0.0)  100%
    );
    z-index: 6;
    animation: scan-sweep 240ms steps(8, end) forwards;
    pointer-events: none;
}
@keyframes scan-sweep {
    0%   { top: -20px; }
    100% { top: 100%; }
}

/* =========================================================================
   responsive
   ========================================================================= */
@media (max-width: 900px) {
    .boot-grid {
        grid-template-columns: 1fr;
        grid-template-areas:
            "status"
            "clock"
            "title"
            "readout"
            "pushdown";
    }
    .boot-clock, .boot-readout {
        border-left: none;
        border-top: 2px solid var(--hard-rule);
        padding-left: 0;
        padding-top: 12px;
    }
    .problem-grid { grid-template-columns: 1fr; }
    .h4-grid { grid-template-columns: 1fr; }
    .h4-schematic { max-width: 280px; }
    .ledger-head, .ledger-row {
        grid-template-columns: 50px 1fr 56px 90px;
        font-size: 11px;
    }
    .push-down-bar { grid-template-columns: repeat(3, 1fr); }
    .push-cell:nth-child(n+4) { border-top: none; }
    .push-cell { border-left: 1px solid var(--hard-rule) !important; }
}

@media (max-width: 540px) {
    body { padding: 10px; }
    .panel { padding: 18px 16px; }
    .display-title { font-size: clamp(48px, 16vw, 92px); }
    .ticket-header { font-size: 11px; }
    .ledger-head, .ledger-row {
        grid-template-columns: 44px 1fr 50px 70px;
        font-size: 10px;
    }
    .resolved-eof { flex-direction: column; gap: 8px; }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
    .cursor-block, .cell-blink, .marker-dot {
        animation: none;
        opacity: 1;
    }
    .display-underline,
    .progress-fill,
    .drift-svg #drift-line {
        transition: none;
    }
    .panel.scanning::before { display: none; }
}