/* historic.quest - Retro-futuristic time-travel command center */

:root {
    --deep-black: #0a0e17;
    --amber: #c8a864;
    --brass: #9a7b4f;
    --brass-dark: #6b5235;
    --green: #4caf50;
    --red: #d44040;
    --ivory: #f0e8d0;
    --gunmetal: #1e2a3a;
    --cobalt: #0f1a2e;
    --zone-a-left: 20vw;
    --zone-a-right: 80vw;
    --zone-d-height: 80px;
}

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

body {
    background: var(--deep-black);
    color: var(--ivory);
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: clamp(0.95rem, 1.8vw, 1.15rem);
    line-height: 1.72;
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* Boot Sequence */
#boot-overlay {
    position: fixed;
    inset: 0;
    background: var(--deep-black);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

#boot-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

#boot-cursor {
    width: 12px;
    height: 20px;
    background: var(--amber);
    animation: blink-cursor 0.6s step-end infinite;
}

#boot-cursor.hidden {
    display: none;
}

@keyframes blink-cursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

#boot-text {
    font-family: 'Share Tech Mono', monospace;
    color: var(--amber);
    font-size: clamp(0.7rem, 1.2vw, 0.9rem);
    letter-spacing: 0.12em;
    text-shadow: 0 0 8px rgba(200,168,100,0.5);
    text-align: center;
    white-space: pre-line;
    min-height: 80px;
}

/* HUD Frame */
#hud-frame {
    position: fixed;
    inset: 0;
    display: grid;
    grid-template-columns: 20vw 1fr 20vw;
    grid-template-rows: 1fr var(--zone-d-height);
    transition: opacity 0.6s;
}

#hud-frame.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Instrument Panels */
.instrument-panel {
    background: var(--gunmetal);
    border: 1px solid var(--brass);
    backdrop-filter: blur(2px);
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow: hidden;
    box-shadow:
        inset 1px 1px 0 rgba(200,168,100,0.3),
        inset -1px -1px 0 rgba(107,82,53,0.5),
        0 0 20px rgba(0,0,0,0.5);
}

#panel-left {
    border-right: 2px solid;
    border-image: linear-gradient(180deg, var(--amber), var(--brass), var(--brass-dark)) 1;
}

#panel-right {
    border-left: 2px solid;
    border-image: linear-gradient(180deg, var(--amber), var(--brass), var(--brass-dark)) 1;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(200,168,100,0.3);
}

.panel-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem;
    color: var(--amber);
    letter-spacing: 0.12em;
    text-shadow: 0 0 8px rgba(200,168,100,0.5);
}

/* Indicator Lamps */
.indicator-lamp {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #333;
    display: inline-block;
    flex-shrink: 0;
}

.indicator-lamp.active {
    background: radial-gradient(circle, var(--green) 30%, transparent 70%);
    box-shadow: 0 0 6px var(--green);
}

.indicator-lamp.blink-slow {
    background: radial-gradient(circle, var(--green) 30%, transparent 70%);
    box-shadow: 0 0 6px var(--green);
    animation: lamp-blink 3.6s ease-in-out infinite;
}

.indicator-lamp.blink-med {
    background: radial-gradient(circle, var(--amber) 30%, transparent 70%);
    box-shadow: 0 0 6px var(--amber);
    animation: lamp-blink 2.4s ease-in-out infinite;
}

.indicator-lamp.blink-fast {
    background: radial-gradient(circle, var(--green) 30%, transparent 70%);
    box-shadow: 0 0 6px var(--green);
    animation: lamp-blink 1.2s ease-in-out infinite;
}

@keyframes lamp-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.2; }
}

/* Epoch List */
.epoch-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.epoch-item {
    background: var(--cobalt);
    border: 1px solid rgba(200,168,100,0.2);
    padding: 10px 8px;
    cursor: pointer;
    transition: border-color 0.3s, background 0.3s;
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
    padding-left: 20px;
}

.epoch-item:hover {
    border-color: var(--amber);
    background: rgba(200,168,100,0.05);
}

.epoch-item.active {
    border-color: var(--amber);
    background: rgba(200,168,100,0.1);
}

.status-led {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #333;
    position: absolute;
    top: 12px;
    left: 6px;
}

.status-led.active {
    background: var(--green);
    box-shadow: 0 0 4px var(--green);
}

.epoch-name {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.75rem;
    color: var(--amber);
    letter-spacing: 0.12em;
    text-shadow: 0 0 8px rgba(200,168,100,0.5);
}

.epoch-range {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.6rem;
    color: var(--brass);
    letter-spacing: 0.08em;
}

.panel-indicators {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid rgba(200,168,100,0.2);
}

/* Primary Viewport - Zone A */
#viewport-main {
    position: relative;
    overflow: hidden;
    border: 2px solid var(--amber);
    box-shadow: inset 0 0 80px rgba(0,0,0,0.6);
    background: var(--deep-black);
}

.viewport-scene {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    padding: 40px 30px;
}

.viewport-scene.active {
    opacity: 1;
    pointer-events: all;
}

/* Radar */
.radar-container {
    position: relative;
    width: min(50vw, 400px);
    height: min(50vw, 400px);
}

#radar-svg {
    width: 100%;
    height: 100%;
}

.radar-ring {
    fill: none;
    stroke: rgba(200,168,100,0.15);
    stroke-width: 1;
}

.radar-axis {
    stroke: rgba(200,168,100,0.1);
    stroke-width: 0.5;
}

.sweep-line {
    stroke: var(--amber);
    stroke-width: 2;
    filter: drop-shadow(0 0 4px rgba(200,168,100,0.6));
}

#radar-sweep {
    transform-origin: 200px 200px;
    animation: radar-rotate 12s linear infinite;
}

@keyframes radar-rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.radar-blip {
    fill: var(--amber);
    filter: drop-shadow(0 0 4px rgba(200,168,100,0.8));
    cursor: pointer;
    animation: blip-pulse 2s ease-in-out infinite;
}

.radar-blip:hover {
    fill: var(--green);
    filter: drop-shadow(0 0 8px var(--green));
}

@keyframes blip-pulse {
    0%, 100% { opacity: 0.6; r: 5; }
    50% { opacity: 1; r: 7; }
}

.radar-labels {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.radar-label {
    position: absolute;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.6rem;
    color: var(--amber);
    letter-spacing: 0.12em;
    text-shadow: 0 0 8px rgba(200,168,100,0.5);
    opacity: 0.7;
}

.radar-label.tl { top: 5%; left: 5%; }
.radar-label.tr { top: 5%; right: 5%; }
.radar-label.br { bottom: 5%; right: 5%; }
.radar-label.bl { bottom: 5%; left: 5%; }

/* Mission Briefings */
.mission-brief {
    justify-content: flex-start;
    align-items: flex-start;
    gap: 20px;
}

.mission-patch {
    width: 80px;
    height: 80px;
    align-self: center;
}

.patch-svg {
    width: 100%;
    height: 100%;
}

.patch-text {
    font-family: 'Share Tech Mono', monospace;
    font-size: 6px;
    fill: var(--amber);
    letter-spacing: 0.12em;
}

.mission-title {
    font-family: 'Libre Baskerville', serif;
    font-size: clamp(1.4rem, 3vw, 2.8rem);
    font-weight: 700;
    color: var(--ivory);
    letter-spacing: 0.04em;
    text-align: center;
    align-self: center;
}

.epoch-date {
    font-family: 'Share Tech Mono', monospace;
    font-size: clamp(0.7rem, 1.2vw, 0.9rem);
    color: var(--amber);
    letter-spacing: 0.12em;
    text-shadow: 0 0 8px rgba(200,168,100,0.5);
    align-self: center;
}

.mission-narrative {
    display: flex;
    flex-direction: column;
    gap: 16px;
    color: var(--ivory);
    font-weight: 400;
}

.sparkline-container {
    width: 100%;
    padding: 16px;
    background: var(--cobalt);
    border: 1px solid rgba(200,168,100,0.2);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sparkline-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.65rem;
    color: var(--amber);
    letter-spacing: 0.12em;
    text-shadow: 0 0 8px rgba(200,168,100,0.5);
}

.sparkline {
    width: 100%;
    height: 40px;
}

.sparkline-line {
    fill: none;
    stroke: var(--amber);
    stroke-width: 1.5;
    stroke-dasharray: 300;
    stroke-dashoffset: 300;
    transition: stroke-dashoffset 2s cubic-bezier(0.4, 0, 0.2, 1);
}

.sparkline-line.drawn {
    stroke-dashoffset: 0;
}

.btn-return {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.75rem;
    color: var(--amber);
    background: var(--cobalt);
    border: 1px solid var(--amber);
    padding: 8px 16px;
    cursor: pointer;
    letter-spacing: 0.08em;
    transition: background 0.3s, color 0.3s;
    align-self: center;
}

.btn-return:hover {
    background: var(--amber);
    color: var(--deep-black);
}

/* Oscilloscope */
.oscilloscope {
    background: var(--deep-black);
    border: 1px solid var(--brass);
    padding: 8px;
    box-shadow:
        inset 1px 1px 0 rgba(200,168,100,0.2),
        inset -1px -1px 0 rgba(107,82,53,0.3);
}

#oscilloscope-svg {
    width: 100%;
    height: 60px;
}

.oscillo-wave {
    fill: none;
    stroke: var(--amber);
    stroke-width: 1.5;
    filter: drop-shadow(0 0 3px rgba(200,168,100,0.6));
    animation: wave-crawl 4s linear infinite;
}

@keyframes wave-crawl {
    from { transform: translateX(0); }
    to { transform: translateX(-20px); }
}

.oscillo-node {
    fill: var(--green);
    filter: drop-shadow(0 0 3px var(--green));
}

/* Mission Clock */
.mission-clock {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 8px;
    background: var(--deep-black);
    border: 1px solid rgba(200,168,100,0.2);
}

.clock-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.6rem;
    color: var(--brass);
    letter-spacing: 0.12em;
}

#mission-clock-display {
    font-family: 'Share Tech Mono', monospace;
    font-size: clamp(0.8rem, 1.4vw, 1rem);
    color: var(--amber);
    letter-spacing: 0.12em;
    text-shadow: 0 0 8px rgba(200,168,100,0.5);
}

/* System Status */
.system-status {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: auto;
}

.status-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-text {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.6rem;
    color: var(--ivory);
    letter-spacing: 0.08em;
    opacity: 0.8;
}

/* Console Tray - Zone D */
#console-tray {
    grid-column: 1 / -1;
    background: var(--gunmetal);
    border-top: 2px solid;
    border-image: linear-gradient(90deg, var(--brass-dark), var(--amber), var(--brass-dark)) 1;
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 0 20px;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.4);
}

.tray-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.tray-label {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.55rem;
    color: var(--brass);
    letter-spacing: 0.12em;
}

.tray-value {
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.7rem;
    color: var(--amber);
    letter-spacing: 0.08em;
    text-shadow: 0 0 8px rgba(200,168,100,0.5);
}

.tray-signal {
    color: var(--green);
}

.status-nominal {
    color: var(--green);
    text-shadow: 0 0 6px rgba(76,175,80,0.5);
}

/* Responsive */
@media (max-width: 768px) {
    #hud-frame {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto;
    }

    #panel-left, #panel-right {
        display: none;
    }

    #viewport-main {
        border-width: 1px;
        border-left: none;
        border-right: none;
    }

    #console-tray {
        grid-column: 1;
        overflow-x: auto;
        gap: 16px;
        justify-content: flex-start;
        padding: 8px 16px;
    }

    .radar-container {
        width: 80vw;
        height: 80vw;
    }

    .viewport-scene {
        padding: 20px 16px;
    }
}