:root {
    color-scheme: dark;
    --panel: rgba(8, 13, 20, 0.92);
    --panel-border: rgba(125, 226, 255, 0.32);
    --text: #f5f7fb;
    --muted: #9fb2c7;
    --cyan: #7de2ff;
    --orange: #ff9f43;
    --pink: #ff5ea8;
    --green: #52e0a4;
}

* {
    box-sizing: border-box;
}

body.bookwriter-submit-page {
    min-height: 100vh;
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 12% 12%, rgba(125, 226, 255, 0.12), transparent 28rem),
        radial-gradient(circle at 90% 10%, rgba(255, 159, 67, 0.12), transparent 24rem),
        linear-gradient(135deg, #060912 0%, #11131c 58%, #07080d 100%);
    font-family: "Share Tech Mono", monospace;
}

.writer-shell {
    width: min(1180px, calc(100vw - 32px));
    margin: 0 auto;
    padding: 28px 0 48px;
}

.writer-header {
    display: grid;
    grid-template-columns: minmax(84px, auto) 1fr minmax(72px, auto);
    gap: 16px;
    align-items: end;
    padding: 12px 0 24px;
}

.writer-header h1 {
    margin: 0;
    font-family: "Orbitron", sans-serif;
    font-size: clamp(2.1rem, 7vw, 5.3rem);
    line-height: 0.95;
    letter-spacing: 0;
    text-transform: uppercase;
}

.kicker {
    margin: 0 0 6px;
    color: var(--orange);
    font-family: "Orbitron", sans-serif;
    font-size: 0.78rem;
    text-transform: uppercase;
}

.back-link,
.hub-link,
.text-button {
    color: var(--cyan);
    text-decoration: none;
}

.hub-link {
    justify-self: end;
}

.writer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
    gap: 18px;
    align-items: start;
}

.writer-panel {
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.34);
    padding: 18px;
}

.field-row {
    display: grid;
    gap: 8px;
    margin-bottom: 14px;
}

.field-pair {
    display: grid;
    grid-template-columns: 1fr 180px;
    gap: 14px;
}

label {
    color: var(--cyan);
    font-size: 0.78rem;
    text-transform: uppercase;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid rgba(125, 226, 255, 0.28);
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.32);
    color: var(--text);
    font: inherit;
    letter-spacing: 0;
    padding: 11px 12px;
}

textarea {
    resize: vertical;
    line-height: 1.45;
}

.writing-field textarea {
    min-height: 360px;
    font-family: "Crimson Text", Georgia, serif;
    font-size: 1.08rem;
}

.action-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

button {
    min-height: 42px;
    border: 0;
    border-radius: 6px;
    cursor: pointer;
    font-family: "Orbitron", sans-serif;
    letter-spacing: 0;
    text-transform: uppercase;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.48;
}

.primary-action {
    background: var(--orange);
    color: #090909;
    padding: 0 18px;
}

.secondary-action {
    background: rgba(125, 226, 255, 0.16);
    color: var(--cyan);
    padding: 0 14px;
}

.text-button {
    min-height: auto;
    padding: 0;
    background: transparent;
    font-family: "Share Tech Mono", monospace;
    font-size: 0.82rem;
}

.status-line {
    min-height: 22px;
    margin: 12px 0 0;
    color: var(--green);
}

.side-panel {
    position: sticky;
    top: 16px;
    display: grid;
    gap: 16px;
}

.signal-card {
    display: grid;
    gap: 8px;
    border-left: 6px solid var(--pink);
    padding: 12px;
    background: rgba(255, 94, 168, 0.08);
}

.signal-label {
    color: var(--muted);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.packet-panel {
    display: grid;
    gap: 8px;
}

#packet-output {
    min-height: 280px;
    font-size: 0.82rem;
}

.saved-heading {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 8px;
}

.saved-heading h2 {
    margin: 0;
    color: var(--orange);
    font-family: "Orbitron", sans-serif;
    font-size: 0.95rem;
    letter-spacing: 0;
    text-transform: uppercase;
}

.saved-list {
    display: grid;
    gap: 8px;
    margin: 0;
    padding-left: 22px;
    color: var(--muted);
}

.saved-list button {
    display: block;
    width: 100%;
    min-height: auto;
    padding: 8px;
    border: 1px solid rgba(125, 226, 255, 0.2);
    background: rgba(125, 226, 255, 0.08);
    color: var(--text);
    font-family: "Share Tech Mono", monospace;
    text-align: left;
    text-transform: none;
}

@media (max-width: 860px) {
    .writer-shell {
        width: min(100vw - 20px, 720px);
        padding-top: 18px;
    }

    .writer-header {
        grid-template-columns: 1fr auto;
        align-items: start;
    }

    .writer-header > div {
        grid-column: 1 / -1;
        grid-row: 1;
    }

    .back-link {
        grid-column: 1;
        grid-row: 2;
    }

    .hub-link {
        grid-column: 2;
        grid-row: 2;
    }

    .writer-grid,
    .field-pair {
        grid-template-columns: 1fr;
    }

    .side-panel {
        position: static;
    }

    .writing-field textarea {
        min-height: 300px;
    }
}