/* =====================================================
   op9.rs / HUD command interface
   Palette: amber (#f0a830) on void (#000000)
   ===================================================== */

:root {
    --void: #000000;
    --near-black: #0a0a0a;
    --panel-dark: #1a1a1a;
    --silver: #c0c0c0;
    --amber: #f0a830;
    --amber-dim: rgba(240, 168, 48, 0.30);
    --amber-faint: rgba(240, 168, 48, 0.12);
    --amber-line: rgba(240, 168, 48, 0.15);
    --green: #33cc33;
    --red: #ff3333;
    --font-display: 'Chakra Petch', 'Inter', system-ui, sans-serif;
    --font-mono: 'Roboto Mono', 'Roboto', monospace;
}

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

html {
    scrollbar-width: thin;
    scrollbar-color: var(--amber) var(--void);
}

html::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
html::-webkit-scrollbar-track {
    background: var(--void);
}
html::-webkit-scrollbar-thumb {
    background: var(--amber);
}

body {
    background: var(--void);
    color: var(--silver);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    padding: 0 0 0 0;
}

::selection {
    background: var(--amber);
    color: var(--void);
}

em {
    font-style: normal;
    color: var(--amber);
}

/* ================== Scanline + flow + flash ================== */

.scanlines {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9000;
    background: repeating-linear-gradient(
        0deg,
        transparent 0,
        transparent 1px,
        rgba(240, 168, 48, 0.025) 1px,
        rgba(240, 168, 48, 0.025) 2px
    );
    mix-blend-mode: screen;
}

.scanlines::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
    pointer-events: none;
}

.boot-flash {
    position: fixed;
    inset: 0;
    background: #ffffff;
    opacity: 0;
    pointer-events: none;
    z-index: 9999;
}

.boot-flash.fire {
    animation: crtFlash 0.18s ease-out 1;
}

@keyframes crtFlash {
    0%   { opacity: 0; }
    35%  { opacity: 0.85; }
    100% { opacity: 0; }
}

.data-flow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.flow-line {
    position: absolute;
    left: -30%;
    width: 30%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--amber-line), transparent);
}

.flow-line-1 { top: 12%; animation: flow 14s linear infinite; }
.flow-line-2 { top: 27%; animation: flow 19s linear infinite 2s; }
.flow-line-3 { top: 44%; animation: flow 12s linear infinite 5s; }
.flow-line-4 { top: 61%; animation: flow 17s linear infinite 1s; }
.flow-line-5 { top: 78%; animation: flow 20s linear infinite 6s; }
.flow-line-6 { top: 91%; animation: flow 11s linear infinite 3s; }

@keyframes flow {
    0%   { transform: translateX(0); }
    100% { transform: translateX(450%); }
}

/* ================== Top + bottom bars ================== */

.topbar,
.bottombar {
    position: relative;
    z-index: 10;
    width: 100%;
    padding: 10px 24px;
    background: rgba(10, 10, 10, 0.85);
    border-bottom: 1px solid var(--amber-dim);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--amber);
    flex-wrap: wrap;
    gap: 8px;
}

.bottombar {
    border-bottom: none;
    border-top: 1px solid var(--amber-dim);
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 14px;
    padding: 14px 24px;
}

.topbar-left,
.topbar-center,
.topbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.hud-label {
    color: var(--amber);
    opacity: 0.65;
}

.hud-value {
    color: var(--silver);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
}

.hud-divider {
    color: var(--amber-dim);
}

.status-dot {
    width: 8px;
    height: 8px;
    display: inline-block;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: pulse 1.6s ease-in-out infinite;
}

.status-dot-green { background: var(--green); box-shadow: 0 0 8px var(--green); }

.status-text {
    color: var(--green);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.45; transform: scale(0.85); }
}

.blink {
    animation: blink 1.4s steps(2, end) infinite;
}

@keyframes blink {
    0%, 50%   { opacity: 1; }
    51%, 100% { opacity: 0.25; }
}

/* ================== Hero / Boot ================== */

.hud {
    position: relative;
    z-index: 5;
    max-width: 1600px;
    margin: 0 auto;
    padding: 32px 24px 48px;
}

.hero {
    position: relative;
    padding: 48px 0 32px;
    min-height: 60vh;
    display: grid;
    grid-template-columns: minmax(280px, 1fr) minmax(280px, 1fr);
    gap: 48px;
    align-items: center;
}

.boot-console {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.85;
    color: var(--silver);
    border-left: 1px solid var(--amber-dim);
    padding-left: 18px;
}

.boot-line {
    opacity: 0;
    transform: translateY(2px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.boot-line.is-on {
    animation: bootLine 0.32s forwards, microFlash 0.18s ease-out;
}

@keyframes bootLine {
    0%   { opacity: 0; transform: translateY(2px); filter: brightness(2); }
    100% { opacity: 1; transform: translateY(0); filter: brightness(1); }
}

@keyframes microFlash {
    0%   { background: rgba(255, 255, 255, 0.18); }
    100% { background: transparent; }
}

.boot-prompt {
    color: var(--amber);
    margin-right: 8px;
}

.boot-ok {
    color: var(--green);
    font-weight: 700;
}

.hero-title-wrap {
    position: relative;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.hero-title-wrap.is-on {
    opacity: 1;
    transform: translateY(0);
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2.2rem, 7vw, 5.4rem);
    color: var(--amber);
    letter-spacing: 0.04em;
    line-height: 1;
    text-shadow:
        0 0 10px rgba(240, 168, 48, 0.55),
        0 0 30px rgba(240, 168, 48, 0.22);
    display: flex;
    align-items: baseline;
    gap: 0.15em;
}

.hero-title-prefix {
    color: var(--silver);
    font-size: 0.55em;
    opacity: 0.6;
}

.hero-title-main {
    background: linear-gradient(180deg, #ffd58a 0%, var(--amber) 60%, #b97a18 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-cursor {
    color: var(--amber);
    font-size: 0.85em;
    animation: caret 0.9s steps(2, end) infinite;
    margin-left: 0.05em;
}

@keyframes caret {
    0%, 50%   { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-tag {
    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--silver);
    margin-top: 18px;
    opacity: 0.85;
}

.hero-meta {
    margin-top: 10px;
    color: var(--amber);
    opacity: 0.7;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
}

/* ================== Panel grid ================== */

.panel-grid {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(120px, auto);
    gap: 18px;
}

.panel {
    position: relative;
    background: rgba(0, 0, 0, 0.85);
    border: 1px solid var(--amber-faint);
    padding: 20px 22px;
    color: var(--silver);
    overflow: hidden;
    transition: border-color 0.25s ease, transform 0.25s ease;
}

.panel:hover {
    border-color: var(--amber-dim);
    transform: translateY(-1px);
}

.panel::after {
    content: '';
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--amber), transparent);
    animation: panelSweep 9s linear infinite;
    pointer-events: none;
}

@keyframes panelSweep {
    0%   { left: -100%; }
    100% { left: 100%; }
}

/* corner brackets via 4 child elements */
.panel-corner {
    position: absolute;
    width: 10px;
    height: 10px;
    pointer-events: none;
}
.panel-corner-tl { top: 0; left: 0; border-top: 1px solid var(--amber); border-left: 1px solid var(--amber); }
.panel-corner-tr { top: 0; right: 0; border-top: 1px solid var(--amber); border-right: 1px solid var(--amber); }
.panel-corner-bl { bottom: 0; left: 0; border-bottom: 1px solid var(--amber); border-left: 1px solid var(--amber); }
.panel-corner-br { bottom: 0; right: 0; border-bottom: 1px solid var(--amber); border-right: 1px solid var(--amber); }

.panel-header {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--amber);
    border-bottom: 1px dashed var(--amber-faint);
    padding-bottom: 10px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.panel-id {
    color: var(--amber-dim);
}

.panel-title {
    color: var(--amber);
    flex: 1;
}

.panel-badge {
    color: var(--silver);
    border: 1px solid var(--amber-faint);
    padding: 2px 8px;
    font-size: 0.62rem;
    letter-spacing: 0.2em;
}

.panel-badge.badge-green {
    color: var(--green);
    border-color: rgba(51, 204, 51, 0.45);
}

.panel-body p {
    margin: 0 0 10px;
    color: var(--silver);
}

.panel-body p:last-child {
    margin-bottom: 0;
}

/* placement (asymmetric, overlapping feel via grid spans) */
.panel-mission  { grid-column: span 7; }
.panel-modules  { grid-column: span 5; }
.panel-runtime  { grid-column: span 5; }
.panel-snippet  { grid-column: span 7; }
.panel-events   { grid-column: span 8; }
.panel-targets  { grid-column: span 4; }

@media (max-width: 1024px) {
    .panel-grid > article { grid-column: span 12; }
    .hero { grid-template-columns: 1fr; gap: 28px; }
}

/* ================== Panel: modules ================== */

.module-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 18px;
}

.module-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    border-bottom: 1px dotted var(--amber-faint);
    padding: 4px 0;
}

.mod-glyph {
    color: var(--amber);
    font-weight: 700;
}

.mod-name {
    color: var(--silver);
    flex: 1;
}

.mod-stat.ok {
    color: var(--green);
    font-weight: 700;
    letter-spacing: 0.12em;
    font-size: 0.72rem;
}

@media (max-width: 720px) {
    .module-list { grid-template-columns: 1fr; }
}

/* ================== Panel: runtime metrics ================== */

.metric-row {
    display: grid;
    grid-template-columns: 48px 1fr 56px;
    gap: 14px;
    align-items: center;
    margin-bottom: 10px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.metric-row:last-child { margin-bottom: 0; }

.metric-key {
    color: var(--amber);
    letter-spacing: 0.14em;
    font-size: 0.72rem;
}

.metric-bar {
    position: relative;
    height: 8px;
    background: rgba(240, 168, 48, 0.08);
    border: 1px solid var(--amber-faint);
    overflow: hidden;
}

.metric-fill {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--amber) 0%, #ffcc66 100%);
    box-shadow: 0 0 6px rgba(240, 168, 48, 0.55);
    transition: width 1.4s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.metric-val {
    text-align: right;
    color: var(--silver);
    letter-spacing: 0.08em;
}

/* ================== Panel: code snippet ================== */

.code-block {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.65;
    color: var(--silver);
    background: var(--near-black);
    border: 1px solid var(--amber-faint);
    padding: 14px 16px;
    overflow-x: auto;
    white-space: pre;
}

.ln  { color: var(--amber-dim); display: inline-block; width: 2.2em; user-select: none; }
.kw  { color: var(--amber); }
.ty  { color: #ffcc66; }
.fn  { color: var(--silver); }
.at  { color: var(--green); }
.num { color: #ffd58a; }
.op  { color: var(--amber); }
.cm  { color: rgba(192, 192, 192, 0.55); font-style: italic; }

/* ================== Panel: events ================== */

.event-log {
    list-style: none;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    max-height: 240px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--amber) var(--void);
}

.event-item {
    display: grid;
    grid-template-columns: 90px 60px 1fr;
    gap: 10px;
    padding: 4px 0;
    border-bottom: 1px dotted var(--amber-faint);
    opacity: 0;
    transform: translateY(4px);
    animation: eventIn 0.4s forwards;
}

.event-item:nth-child(1) { animation-delay: 0.0s; }
.event-item:nth-child(2) { animation-delay: 0.15s; }
.event-item:nth-child(3) { animation-delay: 0.3s; }
.event-item:nth-child(4) { animation-delay: 0.45s; }
.event-item:nth-child(5) { animation-delay: 0.6s; }
.event-item:nth-child(6) { animation-delay: 0.75s; }
.event-item:nth-child(7) { animation-delay: 0.9s; }
.event-item.live {
    animation: eventInLive 0.5s forwards;
}

@keyframes eventIn {
    0%   { opacity: 0; transform: translateY(4px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes eventInLive {
    0%   { opacity: 0; transform: translateY(-4px); background: rgba(240,168,48,0.08); }
    100% { opacity: 1; transform: translateY(0); background: transparent; }
}

.event-ts {
    color: var(--amber-dim);
}
.event-tag {
    font-weight: 700;
    letter-spacing: 0.06em;
    white-space: pre;
}
.event-tag.tag-info { color: var(--silver); }
.event-tag.tag-ok   { color: var(--green); }
.event-tag.tag-warn { color: var(--amber); }
.event-tag.tag-err  { color: var(--red); }

.event-msg {
    color: var(--silver);
}

/* ================== Panel: targets ================== */

.target-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.target-cell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 8px;
    border: 1px solid var(--amber-faint);
    background: rgba(240, 168, 48, 0.03);
    font-size: 0.74rem;
    font-family: var(--font-mono);
}

.target-arch {
    color: var(--silver);
    letter-spacing: 0.04em;
}

.target-stat {
    font-weight: 700;
    letter-spacing: 0.18em;
    font-size: 0.7rem;
}

.target-stat.ok   { color: var(--green); }
.target-stat.warn { color: var(--amber); }
.target-stat.err  { color: var(--red); }

/* ================== Telemetry footer ================== */

.telemetry {
    margin-top: 36px;
    padding: 22px 24px 26px;
    border: 1px solid var(--amber-faint);
    background: rgba(10, 10, 10, 0.65);
    position: relative;
}

.telemetry::before,
.telemetry::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    pointer-events: none;
}
.telemetry::before { top: 0; left: 0; border-top: 1px solid var(--amber); border-left: 1px solid var(--amber); }
.telemetry::after  { bottom: 0; right: 0; border-bottom: 1px solid var(--amber); border-right: 1px solid var(--amber); }

.telemetry-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-display);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--amber);
    border-bottom: 1px dashed var(--amber-faint);
    padding-bottom: 10px;
    margin-bottom: 16px;
}

.telemetry-time {
    color: var(--silver);
    font-family: var(--font-mono);
    letter-spacing: 0.08em;
    font-size: 0.78rem;
}

.telemetry-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 28px;
}

@media (max-width: 720px) {
    .telemetry-grid { grid-template-columns: 1fr; }
}

.tele-row {
    display: grid;
    grid-template-columns: 110px 1fr 56px;
    gap: 12px;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.76rem;
}

.tele-label {
    color: var(--amber);
    letter-spacing: 0.12em;
    font-size: 0.72rem;
    white-space: pre;
}

.tele-bar {
    position: relative;
    height: 6px;
    background: rgba(240, 168, 48, 0.06);
    border: 1px solid var(--amber-faint);
    overflow: hidden;
}

.tele-fill {
    display: block;
    width: 0%;
    height: 100%;
    background: var(--amber);
    box-shadow: 0 0 8px rgba(240, 168, 48, 0.6);
    transition: width 1.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.tele-num {
    text-align: right;
    color: var(--silver);
    letter-spacing: 0.1em;
    font-size: 0.72rem;
}

.telemetry-final {
    margin-top: 22px;
    text-align: center;
    font-family: var(--font-display);
    font-size: 0.92rem;
    letter-spacing: 0.5em;
    color: var(--green);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.7s ease 0.2s, transform 0.7s ease 0.2s;
    text-shadow: 0 0 12px rgba(51, 204, 51, 0.5);
}

.telemetry-final.is-on {
    opacity: 1;
    transform: translateY(0);
}

.final-bracket {
    color: var(--amber);
    margin: 0 14px;
}

/* ================== Misc ================== */

main, section, article, header, footer {
    position: relative;
}