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

:root {
    --archive-red: #ff4343;
    --archive-red-soft: #ff8e8e;
    --archive-panel: rgba(16, 16, 18, 0.9);
    --archive-panel-strong: rgba(22, 12, 12, 0.96);
    --archive-border: rgba(255, 67, 67, 0.16);
    --archive-shadow: 0 24px 60px rgba(0, 0, 0, 0.38);
    --archive-text: #f0e8e8;
    --archive-muted: #b7a9a9;
}

body {
    min-height: 100vh;
    padding: 36px 18px;
    background:
        radial-gradient(circle at 15% 10%, rgba(255, 67, 67, 0.16), transparent 24%),
        radial-gradient(circle at 88% 18%, rgba(255, 67, 67, 0.12), transparent 26%),
        linear-gradient(180deg, #0c0b0d 0%, #050505 100%);
    color: var(--archive-text);
    font-family: "Bahnschrift", "Segoe UI", Arial, sans-serif;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.018) 0,
        rgba(255, 255, 255, 0.018) 1px,
        transparent 1px,
        transparent 4px
    );
    opacity: 0.14;
    pointer-events: none;
}

.archive-shell {
    width: min(1240px, 100%);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.archive-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    transition: grid-template-columns 0.2s ease;
}

.archive-layout.is-sidebar-collapsed {
    grid-template-columns: 84px minmax(0, 1fr);
}

.archive-sidebar {
    position: sticky;
    top: 24px;
    padding: 24px 20px;
    border: 1px solid var(--archive-border);
    background: linear-gradient(180deg, rgba(24, 12, 12, 0.94) 0%, rgba(11, 11, 13, 0.98) 100%);
    box-shadow: var(--archive-shadow);
    backdrop-filter: blur(8px);
    overflow: hidden;
    isolation: isolate;
}

.archive-sidebar::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--archive-red) 18%, transparent 100%);
    opacity: 0.85;
    pointer-events: none;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.sidebar-title {
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--archive-red-soft);
}

.sidebar-toggle {
    width: 38px;
    height: 38px;
    border: 1px solid rgba(255, 67, 67, 0.26);
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(61, 12, 12, 0.96) 0%, rgba(24, 8, 8, 0.98) 100%);
    color: #ffd0d0;
    box-shadow: inset 0 0 0 1px rgba(255, 67, 67, 0.08);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.sidebar-toggle:hover,
.sidebar-toggle:focus-visible {
    background: linear-gradient(180deg, rgba(110, 20, 20, 0.98) 0%, rgba(58, 10, 10, 0.98) 100%);
    border-color: rgba(255, 110, 110, 0.4);
    color: #fff0f0;
    transform: translateY(-1px);
}

.sidebar-toggle-icon {
    display: inline-block;
    font-size: 24px;
    line-height: 1;
    transform: translateY(-1px);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 18px;
}

.sidebar-link,
.sidebar-link:visited {
    display: block;
    padding: 14px 14px;
    border: 1px solid rgba(255, 67, 67, 0.14);
    border-radius: 16px;
    color: #f2dfdf;
    text-decoration: none;
    background: linear-gradient(180deg, rgba(36, 16, 16, 0.94) 0%, rgba(22, 14, 14, 0.96) 100%);
    box-shadow: inset 0 0 0 1px rgba(255, 67, 67, 0.04);
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.sidebar-link:hover,
.sidebar-link:focus-visible {
    background: linear-gradient(180deg, rgba(93, 21, 21, 0.98) 0%, rgba(53, 15, 15, 0.98) 100%);
    border-color: rgba(255, 110, 110, 0.42);
    color: #fff0f0;
    box-shadow: 0 12px 30px rgba(255, 67, 67, 0.12);
    transform: translateX(4px);
}

.sidebar-link.is-active,
.sidebar-link.is-active:visited {
    background: linear-gradient(180deg, rgba(145, 26, 26, 0.98) 0%, rgba(84, 17, 17, 0.98) 100%);
    border-color: rgba(255, 148, 148, 0.5);
    color: #fff4f4;
    box-shadow: 0 14px 30px rgba(255, 67, 67, 0.18);
}

.archive-main {
    min-width: 0;
}

.is-collapsible {
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.collapsible-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.collapsible-title-group {
    min-width: 0;
    flex: 1;
}

.panel-toggle {
    flex: 0 0 auto;
    min-width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 67, 67, 0.22);
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(66, 16, 16, 0.96) 0%, rgba(24, 10, 10, 0.98) 100%);
    color: #ffe1e1;
    cursor: pointer;
    box-shadow: inset 0 0 0 1px rgba(255, 67, 67, 0.08);
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.panel-toggle:hover,
.panel-toggle:focus-visible {
    transform: translateY(-1px);
    background: linear-gradient(180deg, rgba(120, 24, 24, 0.98) 0%, rgba(70, 16, 16, 0.98) 100%);
    border-color: rgba(255, 138, 138, 0.42);
    box-shadow: 0 12px 28px rgba(255, 67, 67, 0.14);
}

.panel-toggle-icon {
    display: inline-block;
    font-size: 22px;
    line-height: 1;
    transition: transform 0.2s ease;
}

.panel-collapsible-body {
    margin-top: 18px;
}

.is-collapsed .panel-collapsible-body {
    display: none;
}

.is-collapsed .panel-toggle-icon {
    transform: rotate(-90deg);
}

.archive-hero .collapsible-header {
    align-items: center;
}

.archive-hero .panel-collapsible-body {
    margin-top: 24px;
}

.archive-hero.is-collapsed {
    padding-bottom: 28px;
}

.section-card.is-collapsed,
.warning-block.is-collapsed,
.status-card.is-collapsed {
    padding-bottom: 20px;
}

.section-card.is-collapsed:hover,
.warning-block.is-collapsed:hover,
.status-card.is-collapsed:hover,
.archive-hero.is-collapsed:hover {
    transform: translateY(-2px) scale(1.005);
}

.archive-layout.is-sidebar-collapsed .archive-sidebar {
    padding-left: 10px;
    padding-right: 10px;
}

.archive-layout.is-sidebar-collapsed .sidebar-title,
.archive-layout.is-sidebar-collapsed .sidebar-nav {
    opacity: 0;
    pointer-events: none;
}

.archive-layout.is-sidebar-collapsed .sidebar-title {
    width: 0;
    overflow: hidden;
}

.archive-layout.is-sidebar-collapsed .sidebar-toggle {
    margin: 0 auto;
}

.archive-layout.is-sidebar-collapsed .sidebar-toggle-icon {
    transform: rotate(180deg) translateY(1px);
}

.archive-hero {
    padding: 40px 36px;
    border: 1px solid rgba(255, 67, 67, 0.18);
    background:
        radial-gradient(circle at top right, rgba(255, 67, 67, 0.14), transparent 32%),
        linear-gradient(180deg, rgba(28, 12, 12, 0.96) 0%, rgba(11, 11, 13, 0.98) 100%);
    box-shadow: var(--archive-shadow);
    position: relative;
    overflow: hidden;
}

.archive-hero::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 6px;
    background: linear-gradient(180deg, var(--archive-red) 0%, rgba(255, 67, 67, 0.1) 100%);
}

.archive-hero::after {
    content: "ARCHIVE CORE";
    position: absolute;
    top: 18px;
    right: 22px;
    font-size: 11px;
    letter-spacing: 4px;
    color: rgba(255, 180, 180, 0.18);
}

.eyebrow {
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #a17b7b;
}

h1 {
    margin-top: 14px;
    font-size: clamp(42px, 7vw, 72px);
    letter-spacing: 5px;
    color: var(--archive-red);
    line-height: 0.95;
    text-shadow: 0 0 28px rgba(255, 67, 67, 0.24);
}

.subtitle {
    margin-top: 14px;
    font-size: 20px;
    color: #d1c2c2;
}

.signal-log {
    margin-top: 28px;
    max-width: 760px;
    padding: 18px 20px 18px 22px;
    border-left: 3px solid var(--archive-red);
    border-radius: 0 18px 18px 0;
    background: rgba(8, 8, 10, 0.88);
    font-size: 15px;
    line-height: 1.8;
    color: #fff1f1;
}

.content-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: 24px;
    margin-top: 24px;
}

.stack-grid {
    display: block;
    column-count: 2;
    column-gap: 24px;
}

.stack-grid > * {
    display: inline-block;
    width: 100%;
    margin: 0 0 24px;
    break-inside: avoid;
    vertical-align: top;
}

.section-kicker {
    margin-top: 24px;
    margin-bottom: 12px;
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: rgba(255, 166, 166, 0.72);
}

.section-card,
.warning-block,
.status-card {
    padding: 26px 24px;
    border: 1px solid var(--archive-border);
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(20, 20, 22, 0.96) 0%, rgba(13, 13, 15, 0.98) 100%);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.24);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.section-card::before,
.warning-block::before,
.status-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 67, 67, 0.75) 50%, transparent 100%);
    opacity: 0.75;
}

.section-card:hover,
.warning-block:hover,
.status-card:hover {
    transform: translateY(-3px) scale(1.01);
    border-color: rgba(255, 113, 113, 0.3);
    box-shadow: 0 24px 54px rgba(255, 67, 67, 0.08), 0 20px 40px rgba(0, 0, 0, 0.28);
}

.task-card {
    grid-column: 1;
}

.info-card {
    grid-column: 2;
}

.purpose-card {
    grid-column: 1;
}

.status-card {
    grid-column: 2;
    align-self: start;
}

.stack-grid .task-card,
.stack-grid .info-card,
.stack-grid .purpose-card,
.stack-grid .status-card {
    grid-column: auto;
    align-self: auto;
}

.section-title,
.scan-label {
    margin-bottom: 16px;
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--archive-red-soft);
}

.section-text {
    margin-top: 12px;
    font-size: 14px;
    line-height: 1.85;
    color: #d8cfcf;
}

.archive-list {
    padding-left: 20px;
    font-size: 14px;
    line-height: 1.85;
    color: #e5dede;
}

.archive-list li + li {
    margin-top: 7px;
}

.class-pill {
    display: inline-block;
    margin-right: 10px;
    margin-bottom: 4px;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    vertical-align: middle;
}

.threat-stable {
    background: rgba(24, 92, 36, 0.24);
    border-color: rgba(90, 214, 122, 0.35);
    color: #90f3a8;
}

.threat-unstable {
    background: rgba(110, 90, 12, 0.24);
    border-color: rgba(255, 221, 94, 0.35);
    color: #ffe16a;
}

.threat-critical {
    background: rgba(74, 38, 4, 0.92);
    border-color: rgba(255, 176, 76, 0.35);
    color: #ffd9a6;
}

.threat-fracture {
    background: rgba(88, 10, 10, 0.94);
    border-color: rgba(255, 93, 93, 0.35);
    color: #ffd1d1;
}

.threat-void {
    background: rgba(83, 31, 110, 0.28);
    border-color: rgba(205, 133, 255, 0.35);
    color: #d8a0ff;
}

.threat-null {
    background: rgba(8, 8, 8, 0.92);
    border-color: rgba(140, 140, 140, 0.24);
    color: #d4d4d4;
}

.behavior-tag {
    background: rgba(78, 14, 14, 0.92);
    border-color: rgba(255, 67, 67, 0.18);
    color: #ffe1e1;
}

.status-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px 18px;
    font-size: 13px;
}

.status-grid span {
    color: #a69494;
}

.status-grid strong {
    color: #fff0f0;
    letter-spacing: 1.4px;
}

.status-pill {
    display: inline-block;
    justify-self: end;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 11px;
    letter-spacing: 1.6px;
    line-height: 1.2;
    text-transform: uppercase;
}

.status-online {
    background: rgba(22, 87, 41, 0.92);
    border-color: rgba(91, 214, 124, 0.28);
    color: #b8ffca;
}

.status-stable {
    background: rgba(27, 74, 36, 0.92);
    border-color: rgba(112, 214, 132, 0.28);
    color: #bbffcb;
}

.status-ready {
    background: rgba(19, 71, 83, 0.92);
    border-color: rgba(112, 212, 238, 0.24);
    color: #c3f5ff;
}

.status-watch {
    background: rgba(80, 47, 13, 0.92);
    border-color: rgba(255, 192, 105, 0.24);
    color: #ffe1af;
}

.status-warning {
    background: rgba(102, 38, 16, 0.94);
    border-color: rgba(255, 153, 102, 0.28);
    color: #ffd2be;
}

.status-neutral {
    background: rgba(53, 28, 83, 0.92);
    border-color: rgba(181, 147, 255, 0.22);
    color: #e1d2ff;
}

.action-row {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

.legal-footer {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 67, 67, 0.12);
}

.legal-link,
.legal-link:visited {
    color: #bfaeae;
    text-decoration: none;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    font-size: 12px;
    transition: color 0.2s ease, text-shadow 0.2s ease;
}

.legal-link:hover,
.legal-link:focus-visible {
    color: #fff0f0;
    text-shadow: 0 0 12px rgba(255, 67, 67, 0.24);
}

.continue-link,
.continue-link:visited {
    display: inline-block;
    padding: 14px 26px;
    border: 1px solid var(--archive-red);
    border-radius: 999px;
    color: #ffe1e1;
    text-decoration: none;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    background: linear-gradient(180deg, rgba(72, 14, 14, 0.96) 0%, rgba(24, 6, 6, 0.98) 100%);
    box-shadow: 0 10px 28px rgba(255, 67, 67, 0.14);
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.continue-link:hover,
.continue-link:focus-visible {
    background: linear-gradient(180deg, #ff6666 0%, var(--archive-red) 100%);
    color: #140404;
    border-color: #ffb0b0;
    box-shadow: 0 14px 34px rgba(255, 67, 67, 0.24);
    transform: translateY(-1px);
}

.secondary-link,
.secondary-link:visited {
    border-color: rgba(255, 255, 255, 0.18);
    color: #c7bbbb;
    background: linear-gradient(180deg, rgba(30, 30, 32, 0.96) 0%, rgba(18, 18, 20, 0.98) 100%);
}

.secondary-link:hover,
.secondary-link:focus-visible {
    background: linear-gradient(180deg, #494949 0%, #313131 100%);
    color: #ffffff;
    border-color: #5a5a5a;
}

@media (max-width: 860px) {
    .archive-layout {
        grid-template-columns: 1fr;
    }

    .archive-layout.is-sidebar-collapsed {
        grid-template-columns: 1fr;
    }

    .archive-sidebar {
        position: static;
    }

    .archive-layout.is-sidebar-collapsed .sidebar-title,
    .archive-layout.is-sidebar-collapsed .sidebar-nav {
        opacity: 1;
        pointer-events: auto;
        width: auto;
        overflow: visible;
    }

    .archive-layout.is-sidebar-collapsed .sidebar-toggle {
        margin: 0;
    }

    .archive-layout.is-sidebar-collapsed .sidebar-toggle-icon {
        transform: none;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    .stack-grid {
        column-count: 1;
    }

    .task-card,
    .info-card,
    .purpose-card,
    .status-card {
        grid-column: auto;
    }
}

@media (max-width: 640px) {
    body {
        padding: 20px 12px;
    }

    .archive-sidebar {
        padding: 18px 16px;
    }

    .collapsible-header {
        gap: 12px;
    }

    .panel-toggle {
        min-width: 38px;
        height: 38px;
        border-radius: 12px;
    }

    .archive-hero,
    .section-card,
    .warning-block,
    .status-card {
        padding: 18px 16px;
    }

    .action-row {
        flex-direction: column;
    }

    .legal-footer {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .continue-link,
    .continue-link:visited {
        width: 100%;
        text-align: center;
    }
}