:root {
    --bg: #050505;
    --panel: #0b0b0b;
    --line: #252525;
    --orange: #F67C00;
    --orange2: #FFB370;
    --text: #f3f3f3
}

* {
    box-sizing: border-box
}

html,
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, Arial, sans-serif
}

body {
    overflow-x: hidden
}

.noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: .045;
    background-image: radial-gradient(#fff .6px, transparent .6px);
    background-size: 5px 5px;
    z-index: 0
}

body:after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(transparent 50%, rgba(255, 106, 0, .018) 50%);
    background-size: 100% 4px;
    z-index: 10
}

.topbar {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 5vw;
    border-bottom: 1px solid var(--line)
}

.brand {
    display: flex;
    align-items: center;
    gap: 13px
}

.brand-mark {
    font-weight: 900;
    font-size: 25px;
    letter-spacing: -2px;
    color: var(--orange)
}

.eyebrow,
.kicker {
    font-size: 10px;
    letter-spacing: 2.2px;
    color: #777;
    font-weight: 800
}

.brand-title {
    font-size: 11px;
    letter-spacing: 1.5px;
    margin-top: 3px
}

.status {
    font-size: 10px;
    letter-spacing: 1.5px;
    color: #888
}

.status span {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--orange);
    border-radius: 50%;
    margin-right: 7px;
    box-shadow: 0 0 10px var(--orange)
}

.shell {
    position: relative;
    z-index: 1;
    width: min(1120px, 90vw);
    margin: auto;
    padding: 76px 0 100px
}

.hero {
    display: flex;
    justify-content: space-between;
    gap: 50px;
    align-items: flex-end;
    margin-bottom: 45px
}

.hero h1 {
    font-size: clamp(48px, 8vw, 92px);
    line-height: .87;
    letter-spacing: -5px;
    margin: 13px 0 22px;
    font-weight: 950
}

.hero h1 em {
    font-style: normal;
    color: var(--orange)
}

.hero p {
    max-width: 650px;
    color: #999;
    font-size: 15px;
    line-height: 1.7;
    margin: 0
}

.hero-meta {
    border-left: 1px solid var(--line);
    padding-left: 25px;
    min-width: 170px
}

.meta-label {
    font-size: 9px;
    color: #666;
    letter-spacing: 2px
}

.meta-value {
    font: 700 12px monospace;
    color: #aaa;
    margin-top: 9px
}

.progress-card,
.puzzle-card,
.archive-card,
.final-card {
    background: linear-gradient(145deg, #0b0b0b, #080808);
    border: 1px solid var(--line);
}

.progress-card {
    padding: 24px;
    margin-bottom: 16px
}

.progress-head {
    display: flex;
    justify-content: space-between;
    align-items: end
}

.progress-head strong {
    display: block;
    font-size: 13px;
    letter-spacing: 1px;
    margin-top: 7px
}

.percent {
    font: 800 28px monospace;
    color: var(--orange)
}

.progress-track {
    height: 5px;
    background: #1b1b1b;
    margin: 18px 0 20px;
    overflow: hidden
}

.progress-track div {
    height: 100%;
    width: 0;
    background: var(--orange);
    box-shadow: 0 0 18px #ff6a0088;
    transition: width .35s
}

.segments {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 7px
}

.segment {
    height: 42px;
    border: 1px solid #242424;
    background: #0d0d0d;
    color: #555;
    font: 700 11px monospace;
    cursor: pointer
}

.segment.active {
    border-color: var(--orange);
    color: var(--orange);
    box-shadow: inset 0 -2px var(--orange)
}

.segment.done {
    background: #12100e;
    color: #ddd;
    border-color: #3a2b20
}

.segment.done:after {
    content: " ✓";
    color: var(--orange)
}

.puzzle-card {
    padding: 32px;
    margin-bottom: 16px
}

.puzzle-head {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 22px
}

.puzzle-head h2 {
    margin: 8px 0 0;
    font-size: 22px
}

.attempts {
    font: 10px monospace;
    color: #666;
    letter-spacing: 1px
}

.instruction {
    display: flex;
    gap: 20px;
    margin: 24px 0;
    color: #999
}

.instruction span {
    font: 800 9px monospace;
    color: var(--orange);
    letter-spacing: 2px
}

.instruction p {
    margin: 0;
    font-size: 13px
}

.answer-wrap {
    min-height: 100px;
    border: 1px solid #242424;
    background: #070707;
    padding: 22px;
    margin-bottom: 20px
}

.answer {
    min-height: 45px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 3px;
    font: 700 22px monospace;
    word-break: break-all
}

.char {
    width: 20px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-bottom: 2px solid #3b3b3b;
    color: #eee
}

.char.space {
    width: 11px;
    border-bottom-color: transparent
}

.char.punc {
    color: var(--orange)
}

.hint {
    font-size: 10px;
    color: #555;
    margin-top: 16px
}

.keyboard {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    max-width: 850px
}

.key {
    min-width: 38px;
    height: 38px;
    padding: 0 10px;
    background: #111;
    border: 1px solid #292929;
    color: #aaa;
    font: 700 12px monospace;
    cursor: pointer
}

.key:hover {
    color: #fff;
    border-color: #555
}

.key.wide {
    min-width: 72px
}

.key.orange {
    color: var(--orange)
}

.controls {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 24px
}

.btn {
    height: 44px;
    padding: 0 18px;
    border: 1px solid #292929;
    background: #0e0e0e;
    color: #888;
    font: 800 10px monospace;
    letter-spacing: 1px;
    cursor: pointer
}

.btn.primary {
    background: var(--orange);
    border-color: var(--orange);
    color: #050505
}

.feedback {
    min-height: 18px;
    margin-top: 15px;
    text-align: right;
    font: 700 10px monospace;
    color: #777
}

.feedback.ok {
    color: var(--orange)
}

.feedback.bad {
    color: #c66
}

.archive-card {
    padding: 25px
}

.archive-head {
    display: flex;
    justify-content: space-between
}

.archive-note {
    font: 9px monospace;
    color: #4d4d4d
}

.archive {
    margin-top: 17px;
    display: grid;
    gap: 8px
}

.archive-row {
    padding: 12px 14px;
    border: 1px solid #191919;
    background: #080808;
    color: #444;
    font: 11px monospace
}

.archive-row.done {
    color: #aaa
}

.archive-row .num {
    color: var(--orange);
    margin-right: 12px
}

.final-card {
    padding: 60px;
    text-align: center;
    margin-top: 16px;
    border-color: #4b2b18
}

.final-card h2 {
    font-size: 54px;
    letter-spacing: -3px;
    margin: 13px 0
}

.final-card p {
    color: #888
}

.final-message {
    max-width: 760px;
    margin: 30px auto;
    text-align: left;
    white-space: pre-line;
    background: #070707;
    border: 1px solid #252525;
    padding: 24px;
    color: #ccc;
    font: 13px/1.8 monospace
}

.dm {
    display: inline-block;
    padding: 12px 17px;
    background: var(--orange);
    color: #050505;
    font: 900 11px monospace;
    letter-spacing: 1.5px
}

.hidden {
    display: none !important
}

@media(max-width:760px) {
    .topbar {
        padding: 18px 5vw
    }

    .status {
        display: none
    }

    .shell {
        padding-top: 45px
    }

    .hero {
        display: block
    }

    .hero-meta {
        margin-top: 25px
    }

    .hero h1 {
        letter-spacing: -3px
    }

    .segments {
        grid-template-columns: repeat(5, 1fr)
    }

    .puzzle-card {
        padding: 20px
    }

    .puzzle-head {
        display: block
    }

    .attempts {
        margin-top: 15px
    }

    .instruction {
        display: block
    }

    .instruction span {
        display: block;
        margin-bottom: 8px
    }

    .controls {
        justify-content: stretch;
        flex-wrap: wrap
    }

    .btn {
        flex: 1
    }

    .final-card {
        padding: 35px 20px
    }

    .final-card h2 {
        font-size: 40px
    }
}

.answer {
    min-height: 100px;
    display: block
}

.answer-input {
    width: 100%;
    min-height: 58px;
    background: transparent;
    border: 0;
    outline: 0;
    color: #f3f3f3;
    font: 700 clamp(17px, 2vw, 22px)/1.5 monospace;
    letter-spacing: .2px;
    caret-color: #ff6a00;
    padding: 0
}

.answer-input::placeholder {
    color: #343434
}

.answer-input:focus {
    box-shadow: 0 1px 0 #ff6a00
}

.answer-input[readonly] {
    color: #aaa;
    cursor: default
}