/* kolmerj OS 2.0 – handgeschrieben, kein Framework */

:root {
    --bg: #07090c;
    --panel: #0d1117;
    --panel-hi: #131a22;
    --line: #1f2a35;
    --fg: #c9d4df;
    --dim: #6f7d8b;
    --acc: #3dff8b;          /* Terminal-Farbe, per "farbe" umschaltbar */
    --acc-rgb: 61, 255, 139;
    --cyan: #36d6ff;
    --amber: #ffb000;
    --pink: #ff4fd8;
    --red: #ff5f56;
    --radius: 10px;
    --mono: "Cascadia Code", "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
[data-farbe="amber"] { --acc: #ffb000; --acc-rgb: 255, 176, 0; }
[data-farbe="blau"]  { --acc: #36d6ff; --acc-rgb: 54, 214, 255; }
[data-farbe="pink"]  { --acc: #ff4fd8; --acc-rgb: 255, 79, 216; }

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 64px; }
body {
    font-family: var(--mono);
    font-size: 15px;
    line-height: 1.6;
    background: var(--bg);
    color: var(--fg);
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 15% 0%, rgba(var(--acc-rgb), 0.08), transparent 40%),
        radial-gradient(circle at 90% 30%, rgba(255, 79, 216, 0.05), transparent 35%),
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: auto, auto, 32px 32px, 32px 32px;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; color: inherit; cursor: pointer; }
input { font: inherit; color: inherit; }
::selection { background: var(--acc); color: var(--bg); }
.acc { color: var(--acc); }
.cyan { color: var(--cyan); }
.dim { color: var(--dim); }
.amber { color: var(--amber); }
.pink { color: var(--pink); }
.red { color: var(--red); }

/* CRT-Effekt: Scanlines + leichtes Flimmern */
body.crt::after {
    content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 90;
    background: repeating-linear-gradient(180deg, rgba(0, 0, 0, 0.18) 0 1px, transparent 1px 3px);
    animation: flicker 4s infinite steps(1);
}
@keyframes flicker { 0%, 100% { opacity: 0.55; } 50% { opacity: 0.62; } 51% { opacity: 0.5; } }

/* --- Boot ------------------------------------------------------------------ */
#boot {
    position: fixed; inset: 0; z-index: 100; background: #000; color: #b8c2cc; padding: 24px;
    font-size: 13px; overflow: hidden; cursor: pointer;
}
#boot pre { white-space: pre-wrap; }
#boot .ok { color: var(--acc); }
.boot-skip { position: absolute; bottom: 18px; left: 24px; color: var(--dim); font-size: 12px; }

/* --- Leiste oben ------------------------------------------------------------- */
.bar {
    position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 24px;
    padding: 0 22px; height: 48px; background: rgba(7, 9, 12, 0.88); backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); font-size: 14px;
}
.logo { color: var(--fg); white-space: nowrap; }
.logo:hover { text-decoration: none; }
.cursor { display: inline-block; width: 8px; height: 15px; background: var(--acc); margin-left: 4px; vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.bar-nav { display: flex; gap: 18px; }
.bar-nav a { color: var(--dim); }
.bar-nav a:hover { color: var(--acc); text-decoration: none; }
.bar-right { margin-left: auto; display: flex; gap: 16px; color: var(--dim); white-space: nowrap; }
#bar-clock { color: var(--fg); }

/* --- Fenster ----------------------------------------------------------------- */
.win {
    background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(var(--acc-rgb), 0.04);
    overflow: hidden; min-width: 0;
}
.win-bar {
    display: flex; align-items: center; gap: 7px; padding: 9px 12px; background: var(--panel-hi);
    border-bottom: 1px solid var(--line); font-size: 12px; color: var(--dim);
}
.win-bar i { width: 11px; height: 11px; border-radius: 50%; background: var(--red); }
.win-bar i:nth-child(2) { background: #ffbd2e; }
.win-bar i:nth-child(3) { background: #27c93f; }
.win-bar span { flex: 1; text-align: center; margin-right: 47px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --- Start ------------------------------------------------------------------- */
main { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.hero { padding: 56px 0 30px; }
.ascii {
    color: var(--acc); font-size: clamp(9px, 2.6vw, 20px); line-height: 1.15; margin-bottom: 18px;
    text-shadow: 0 0 12px rgba(var(--acc-rgb), 0.55); overflow: hidden;
}
.hero-sub { color: var(--dim); max-width: 640px; margin-bottom: 28px; }
.hero-studio { max-width: 640px; margin: -14px 0 26px; }

.term-body { padding: 14px 16px 16px; height: 360px; overflow-y: auto; cursor: text; font-size: 14px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
#term-out > div { white-space: pre-wrap; word-break: break-word; }
#term-out .echo { color: var(--fg); }
#term-form { display: flex; gap: 8px; align-items: baseline; }
.ps1 { white-space: nowrap; }
#term-in { flex: 1; min-width: 0; background: none; border: 0; outline: none; caret-color: var(--acc); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chips button {
    background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; font-size: 13px; color: var(--dim);
    transition: color 0.2s, border-color 0.2s;
}
.chips button:hover { color: var(--acc); border-color: var(--acc); }

/* --- Abschnitte -------------------------------------------------------------- */
.section { padding: 70px 0 10px; }
.section h2 { font-size: clamp(1.25rem, 3vw, 1.6rem); margin-bottom: 10px; font-weight: 700; }
.section h2 .dim { font-size: 0.6em; font-weight: 400; display: inline-block; }
.hash { color: var(--acc); }
.lead { color: var(--dim); max-width: 720px; margin-bottom: 24px; }
.btn {
    background: var(--panel-hi); border: 1px solid var(--line); border-radius: 8px; padding: 7px 14px; font-size: 14px;
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.btn:hover { border-color: var(--acc); color: var(--acc); }
.btn.primary { background: var(--acc); color: var(--bg); border-color: var(--acc); font-weight: 700; }
.btn.primary:hover { box-shadow: 0 0 18px rgba(var(--acc-rgb), 0.5); color: var(--bg); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0; }

/* --- Keller ------------------------------------------------------------------ */
.keller-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 20px; }
.rack-body { padding: 18px; display: grid; gap: 10px; }
.rack-unit {
    display: flex; align-items: center; gap: 12px; padding: 14px; border-radius: 6px;
    background: linear-gradient(180deg, #1a222c, #10161d); border: 1px solid #26323f;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.rack-unit.small { padding: 8px 14px; }
.rack-label { font-size: 12px; color: var(--dim); width: 64px; }
.leds { display: flex; flex-wrap: wrap; gap: 6px; flex: 1; }
.leds b { width: 9px; height: 9px; border-radius: 50%; background: #2a333d; }
.leds b.on { background: var(--acc); box-shadow: 0 0 8px var(--acc); }
.leds b.blink { animation: led 0.9s infinite steps(2); }
.leds b.slow { animation-duration: 2.3s; }
@keyframes led { 50% { opacity: 0.25; } }
.hdd { width: 46px; height: 8px; border-radius: 2px; background: repeating-linear-gradient(90deg, #2a333d 0 3px, #10161d 3px 5px); }
.rack-note { font-size: 12px; color: var(--dim); }

.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; align-content: start; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; min-width: 0; }
.stat span { display: block; font-size: 12px; color: var(--dim); }
.stat strong { font-size: 1.15rem; color: var(--acc); font-weight: 600; }
.meter { display: block; height: 4px; background: var(--line); border-radius: 2px; margin-top: 6px; overflow: hidden; }
.meter i { display: block; height: 100%; width: 0; background: var(--acc); transition: width 1s; }
.stat-foot { grid-column: 1 / -1; font-size: 12px; color: var(--dim); }

.route-title { font-size: 1rem; font-weight: 400; color: var(--fg); margin: 36px 0 14px; }
.route { list-style: none; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; counter-reset: hop; }
.route li {
    position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 12px; font-size: 12px; color: var(--dim); counter-increment: hop; transition: border-color 0.2s, box-shadow 0.2s;
}
.route li::before { content: "hop " counter(hop); display: block; font-size: 11px; color: var(--dim); margin-bottom: 2px; }
.route li b { display: block; color: var(--fg); font-size: 13px; }
.route li span { display: block; }
.route li:not(:last-child)::after {
    content: "→"; position: absolute; right: -13px; top: 50%; transform: translateY(-50%); color: var(--dim);
}
.route li.hit { border-color: var(--acc); box-shadow: 0 0 18px rgba(var(--acc-rgb), 0.35); }
.route li.hit b { color: var(--acc); }
.route-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 14px; font-size: 14px; }

/* --- Quiz ------------------------------------------------------------------- */
.quiz-body { padding: 20px; }
.q-head { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--dim); margin-bottom: 14px; }
.q-progress { color: var(--acc); }
.q-text { font-size: 1.1rem; margin-bottom: 16px; }
.q-opts { display: grid; gap: 8px; }
.q-opts button {
    text-align: left; background: var(--panel-hi); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px;
    transition: border-color 0.15s;
}
.q-opts button:hover:not(:disabled) { border-color: var(--acc); }
.q-opts button:disabled { cursor: default; }
.q-opts button.right { border-color: var(--acc); background: rgba(var(--acc-rgb), 0.12); }
.q-opts button.wrong { border-color: var(--red); background: rgba(255, 95, 86, 0.12); }
.q-fact { margin-top: 16px; padding: 12px 14px; border-left: 3px solid var(--acc); background: rgba(var(--acc-rgb), 0.05); }
.q-end { text-align: center; padding: 20px 0; }
.q-end strong { font-size: 2.2rem; color: var(--acc); display: block; }

/* --- Apps ------------------------------------------------------------------ */
.app-body { padding: 20px; }
.tabs { display: flex; gap: 6px; margin-bottom: 16px; border-bottom: 1px solid var(--line); }
.tab { background: none; border: 0; padding: 8px 14px; color: var(--dim); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab.active { color: var(--acc); border-bottom-color: var(--acc); }
.field {
    display: flex; align-items: center; gap: 10px; background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
    padding: 8px 12px; margin-top: 12px;
}
.field:focus-within { border-color: var(--acc); }
.field input { flex: 1; min-width: 0; background: none; border: 0; outline: none; }
.prompt-sign { color: var(--acc); }
.out { white-space: pre-wrap; background: var(--bg); border: 1px dashed var(--line); border-radius: 8px; padding: 14px; color: var(--acc); }
.scenario { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; margin-top: 10px; background: var(--panel-hi); }
.scenario h4 { font-size: 0.9rem; color: var(--amber); margin-bottom: 4px; }
.scenario p { margin-bottom: 8px; }

/* --- whoami ----------------------------------------------------------------- */
.fp { padding: 18px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.fp-group h4 { font-size: 12px; color: var(--amber); font-weight: 400; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.1em; }
.fp-row { display: flex; justify-content: space-between; gap: 14px; padding: 3px 0; border-bottom: 1px dotted var(--line); font-size: 13px; }
.fp-row span:first-child { color: var(--dim); white-space: nowrap; }
.fp-row span:last-child { text-align: right; word-break: break-word; color: var(--fg); }
.fp-row.pending span:last-child { color: var(--dim); }
.fp-foot { grid-column: 1 / -1; font-size: 13px; }

/* --- Werkzeug ---------------------------------------------------------------- */
.ls { padding: 18px; font-size: 14px; overflow-x: auto; }
.cmdline { margin: 6px 0 10px; }
.ls table { border-collapse: collapse; margin-bottom: 22px; }
.ls td { padding: 3px 18px 3px 0; vertical-align: top; }
.ls td:first-child { color: var(--dim); }
.ls td:nth-child(2) { color: var(--amber); }
.ls td:nth-child(3) { white-space: nowrap; }
.ls td:last-child { color: var(--dim); }
.links { list-style: none; display: grid; gap: 4px; }

/* --- Fußzeile ---------------------------------------------------------------- */
.foot { max-width: 1100px; margin: 80px auto 0; padding: 26px 20px 40px; border-top: 1px solid var(--line); font-size: 13px; display: grid; gap: 4px; position: relative; }
.konami-hint { color: #2a3440; letter-spacing: 0.3em; margin-top: 8px; }
.crt-toggle { position: absolute; right: 20px; top: 24px; background: none; border: 1px solid var(--line); border-radius: 6px; padding: 2px 8px; font-size: 12px; color: var(--dim); }
.crt-toggle:hover { color: var(--acc); border-color: var(--acc); }

/* Effekt-Leinwand (Matrix, Strichmännchen) */
#fx { position: fixed; inset: 0; z-index: 80; pointer-events: none; display: none; }
#fx.active { display: block; }
#fx.matrix { pointer-events: auto; cursor: pointer; }

/* --- Handy ----------------------------------------------------------------- */
@media (max-width: 900px) {
    .bar-nav { display: none; }
    .keller-grid { grid-template-columns: minmax(0, 1fr); }
    .route { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .route li:not(:last-child)::after { display: none; }
    .fp { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 520px) {
    body { font-size: 14px; }
    .bar { padding: 0 14px; gap: 10px; }
    #bar-load { display: none; }
    main { padding: 0 14px; }
    .hero { padding-top: 34px; }
    .term-body { height: 320px; font-size: 13px; padding: 12px; }
    .stats { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .stat strong { font-size: 1rem; }
    .quiz-body, .app-body, .fp, .ls { padding: 14px; }
    .crt-toggle { position: static; justify-self: start; margin-top: 8px; }
    .ls table, .ls tbody { display: block; }
    .ls tr { display: block; padding: 6px 0; border-bottom: 1px dotted var(--line); }
    .ls td { display: block; padding: 0; }
    .ls td:first-child, .ls td:nth-child(2) { display: none; }
    .route-actions { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}