:root {
    --bg: #d8d4c8;
    --bg-panel: rgba(244, 240, 231, 0.82);
    --bg-panel-strong: rgba(244, 240, 231, 0.95);
    --line: rgba(40, 51, 43, 0.18);
    --text: #1f2724;
    --muted: #55625e;
    --accent: #9a2f24;
    --accent-soft: rgba(154, 47, 36, 0.14);
    --signal: #2e5c4f;
    --signal-soft: rgba(46, 92, 79, 0.14);
    --shadow: 0 24px 70px rgba(21, 27, 25, 0.12);
    --mono: "Consolas", "Courier New", monospace;
    --sans: "Segoe UI", "Trebuchet MS", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--sans);
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(46, 92, 79, 0.14), transparent 30%),
        radial-gradient(circle at bottom right, rgba(154, 47, 36, 0.1), transparent 25%),
        linear-gradient(135deg, #ddd7ca 0%, #cbc6ba 100%);
}

button,
input,
select,
textarea {
    font: inherit;
}

.noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.18;
    background-image:
        linear-gradient(rgba(31, 39, 36, 0.02) 50%, transparent 50%),
        linear-gradient(90deg, rgba(31, 39, 36, 0.015) 50%, transparent 50%);
    background-size: 100% 4px, 5px 100%;
    mix-blend-mode: multiply;
}

.shell {
    width: min(1380px, calc(100% - 32px));
    margin: 16px auto;
    border: 1px solid var(--line);
    background: rgba(255, 252, 245, 0.55);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.masthead {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 28px;
    border-bottom: 1px solid var(--line);
}

.eyebrow,
.tagline,
.view-kicker,
.panel-heading span,
.status-label,
.modal-kicker {
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--muted);
}

h1,
h2,
h3,
strong {
    font-weight: 600;
}

h1 {
    margin: 8px 0;
    font-size: clamp(2rem, 4vw, 4rem);
    line-height: 0.94;
    max-width: 10ch;
    text-transform: uppercase;
}

.tagline {
    color: var(--accent);
}

.masthead-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
}

.status-card,
.panel,
.info-card,
.signal-card,
.superposition-panel,
.contact-form,
.modal-card {
    border: 1px solid var(--line);
    background: var(--bg-panel);
}

.status-card {
    min-width: 220px;
    padding: 14px 16px;
}

.status-card strong {
    display: block;
    margin-top: 6px;
}

.ghost-button,
.primary-button,
.captcha-tile,
.nav-link {
    cursor: pointer;
    transition: background-color 180ms ease, color 180ms ease, transform 180ms ease, border-color 180ms ease;
}

.ghost-button,
.primary-button {
    border: 1px solid var(--line);
    padding: 12px 18px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-family: var(--mono);
    font-size: 0.75rem;
}

.ghost-button {
    color: var(--text);
    background: transparent;
}

.ghost-button:hover,
.ghost-button:focus-visible {
    background: var(--signal-soft);
    transform: translateY(-1px);
}

.primary-button {
    color: #f6f2ea;
    background: var(--text);
}

.primary-button:hover,
.primary-button:focus-visible {
    background: var(--accent);
}

.layout {
    display: grid;
    grid-template-columns: 340px minmax(0, 1fr);
    min-height: 70vh;
}

.sidebar {
    border-right: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0));
}

.nav-panel,
.panel {
    margin: 18px;
}

.nav-panel {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-link {
    text-align: left;
    border: 1px solid var(--line);
    background: rgba(244, 240, 231, 0.48);
    padding: 14px 16px;
    color: var(--text);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
    background: var(--signal-soft);
    border-color: rgba(46, 92, 79, 0.4);
}

.nav-link--warning:hover,
.nav-link--warning:focus-visible {
    background: var(--accent-soft);
    border-color: rgba(154, 47, 36, 0.35);
}

.panel {
    padding: 16px;
}

.panel-heading {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 14px;
}

.panel-heading h2 {
    margin: 0;
    font-size: 1rem;
}

.metric-card + .metric-card {
    margin-top: 12px;
}

.metric-card span,
.signal-card span,
.timer-grid span {
    display: block;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.metric-card strong,
.signal-card strong,
.timer-grid strong {
    display: block;
    margin-top: 6px;
}

.graph {
    position: relative;
    min-height: 190px;
    overflow: hidden;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(46, 92, 79, 0.07), rgba(255, 255, 255, 0.12));
}

.graph::before,
.graph::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(31, 39, 36, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(31, 39, 36, 0.08) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity: 0.32;
}

.axis {
    position: absolute;
    z-index: 2;
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.axis-x {
    bottom: 10px;
    right: 10px;
}

.axis-y {
    top: 10px;
    left: 10px;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

.wave-line {
    position: absolute;
    inset: 28px 12px 32px;
    background:
        linear-gradient(180deg, transparent 46%, rgba(154, 47, 36, 0.18) 46%, rgba(154, 47, 36, 0.18) 54%, transparent 54%),
        linear-gradient(90deg, rgba(46, 92, 79, 0.15), rgba(46, 92, 79, 0.04));
    clip-path: polygon(0 68%, 7% 62%, 15% 66%, 22% 41%, 29% 44%, 36% 30%, 43% 46%, 50% 22%, 58% 38%, 66% 18%, 72% 26%, 79% 12%, 87% 33%, 94% 25%, 100% 6%, 100% 100%, 0 100%);
    animation: drift 11s ease-in-out infinite alternate;
}

.ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(46, 92, 79, 0.45);
    animation: pulse 8s ease-in-out infinite;
}

.ring-a {
    width: 140px;
    height: 140px;
    left: 42px;
    top: 26px;
}

.ring-b {
    width: 100px;
    height: 100px;
    left: 112px;
    top: 50px;
    animation-delay: -2s;
}

.ring-c {
    width: 68px;
    height: 68px;
    left: 174px;
    top: 68px;
    border-color: rgba(154, 47, 36, 0.4);
    animation-delay: -4s;
}

.content {
    padding: 22px;
}

.view {
    display: none;
}

.view.is-visible {
    display: block;
    animation: reveal 320ms ease;
}

.view-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 22px;
}

.view-header h2 {
    margin: 0;
    max-width: 18ch;
    font-size: clamp(1.7rem, 3vw, 3.2rem);
    line-height: 0.95;
}

.prose {
    max-width: 72ch;
}

.prose p,
.prose blockquote {
    margin: 0 0 16px;
    font-size: 1.03rem;
    line-height: 1.7;
}

.prose blockquote {
    padding: 18px 20px;
    border-left: 3px solid var(--accent);
    background: rgba(154, 47, 36, 0.06);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.info-card,
.signal-card {
    padding: 18px;
}

.info-card h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.02rem;
}

.timeline {
    display: grid;
    gap: 14px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 14px;
    padding: 16px;
    border: 1px solid var(--line);
    background: var(--bg-panel);
}

.timeline-item span {
    font-family: var(--mono);
    font-size: 0.9rem;
    color: var(--accent);
}

.timeline-item p {
    margin: 0;
    line-height: 1.6;
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--line);
    background: var(--bg-panel);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--line);
}

th {
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
}

.signal-board,
.timer-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 22px;
}

.contact-form {
    padding: 20px;
    display: grid;
    gap: 14px;
}

.contact-form label {
    display: grid;
    gap: 8px;
}

.contact-form span {
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    border: 1px solid var(--line);
    background: var(--bg-panel-strong);
    padding: 12px 14px;
    color: var(--text);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: 2px solid rgba(46, 92, 79, 0.2);
    border-color: rgba(46, 92, 79, 0.5);
}

.superposition-panel {
    max-width: 760px;
    padding: 24px;
}

.superposition-panel p {
    margin-top: 0;
    font-size: 1.06rem;
    line-height: 1.65;
}

.progress-shell {
    overflow: hidden;
    height: 18px;
    border: 1px solid var(--line);
    background: linear-gradient(90deg, rgba(46, 92, 79, 0.08), rgba(154, 47, 36, 0.12));
}

.progress-bar {
    height: 100%;
    width: 86%;
    background: linear-gradient(90deg, var(--signal), var(--accent));
    transform-origin: right center;
}

.status-strip {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 20px;
    border-top: 1px solid var(--line);
    font-family: var(--mono);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
}

.toast-stack {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 20;
    display: grid;
    gap: 10px;
    width: min(360px, calc(100vw - 36px));
}

.toast {
    padding: 16px 18px;
    border: 1px solid rgba(154, 47, 36, 0.25);
    background: rgba(31, 39, 36, 0.92);
    color: #f3efe6;
    box-shadow: var(--shadow);
    animation: toast-in 260ms ease;
}

.toast strong {
    display: block;
    margin-bottom: 6px;
    font-family: var(--mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 30;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(20, 24, 23, 0.54);
}

.modal[hidden] {
    display: none;
}

.modal-card {
    width: min(720px, 100%);
    padding: 26px;
}

.modal-card h2 {
    margin: 10px 0 18px;
    max-width: 16ch;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    line-height: 1;
}

.captcha-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.captcha-tile {
    min-height: 96px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.4);
    text-align: left;
    padding: 14px;
}

.captcha-tile:hover,
.captcha-tile:focus-visible,
.captcha-tile.is-selected {
    background: var(--accent-soft);
    border-color: rgba(154, 47, 36, 0.42);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 18px;
}

@keyframes drift {
    from {
        transform: translateX(-8px) scaleY(0.96);
    }
    to {
        transform: translateX(6px) scaleY(1.04);
    }
}

@keyframes pulse {
    0%,
    100% {
        transform: scale(0.96);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.05);
        opacity: 1;
    }
}

@keyframes reveal {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1080px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .contact-layout,
    .cards-grid,
    .signal-board,
    .timer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .shell {
        width: 100%;
        margin: 0;
        border-left: 0;
        border-right: 0;
    }

    .masthead {
        flex-direction: column;
        padding: 22px;
    }

    .masthead-meta {
        align-items: stretch;
    }

    .content,
    .panel,
    .nav-panel {
        margin-left: 14px;
        margin-right: 14px;
    }

    .content {
        padding: 14px 0 22px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
    }

    .status-strip,
    .modal-actions {
        flex-direction: column;
    }

    .captcha-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}