:root {
    color-scheme: light;
    --background: #f4f6f8;
    --surface: #ffffff;
    --text: #18212b;
    --muted: #647180;
    --border: #d9e0e7;
    --primary: #234f78;
    --primary-dark: #163a5b;
    --success: #176b43;
    --success-bg: #e8f5ee;
    --warning: #8a5a00;
    --warning-bg: #fff4d6;
    --danger: #9a2f2f;
    --danger-bg: #fdecec;
    --radius: 14px;
    --shadow: 0 8px 24px rgba(24, 33, 43, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.5;
}

a {
    color: var(--primary);
}

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.topbar-inner {
    width: min(1180px, calc(100% - 32px));
    min-height: 64px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    color: var(--text);
    font-weight: 750;
    text-decoration: none;
}

.account {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--muted);
    font-size: 0.92rem;
}

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 28px auto 60px;
}

.page-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 22px;
}

h1,
h2 {
    margin-top: 0;
    line-height: 1.2;
}

h1 {
    margin-bottom: 0;
    font-size: clamp(1.8rem, 5vw, 2.7rem);
}

h2 {
    font-size: 1.15rem;
}

.eyebrow {
    margin: 0 0 6px;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.panel,
.document-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.panel {
    padding: 22px;
    margin-bottom: 20px;
}

.document-grid {
    display: grid;
    gap: 16px;
    margin-top: 18px;
}

.document-card {
    padding: 20px;
}

.document-card h2 {
    margin: 10px 0 16px;
}

.document-card h2 a {
    color: var(--text);
    text-decoration: none;
}

.document-card h2 a:hover {
    color: var(--primary);
}

.search-form,
.action-row {
    display: flex;
    gap: 10px;
}

.search-form input {
    flex: 1;
}

.stack {
    display: grid;
    gap: 18px;
}

label {
    display: grid;
    gap: 7px;
    font-weight: 650;
}

input {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    color: var(--text);
    font: inherit;
}

input:focus {
    border-color: var(--primary);
    outline: 3px solid rgba(35, 79, 120, 0.14);
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 9px;
    font-weight: 500;
}

.checkbox input {
    width: auto;
    min-height: auto;
}

.button,
.link-button {
    font: inherit;
    cursor: pointer;
}

.button {
    display: inline-flex;
    min-height: 44px;
    padding: 10px 16px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    color: var(--text);
    font-weight: 700;
    text-decoration: none;
}

.button.primary {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
}

.button.primary:hover {
    background: var(--primary-dark);
}

.link-button {
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--primary);
}

.alert {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 10px;
}

.alert ul {
    margin-bottom: 0;
}

.alert.success {
    background: var(--success-bg);
    color: var(--success);
}

.alert.warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.alert.error {
    background: var(--danger-bg);
    color: var(--danger);
}

.status {
    display: inline-flex;
    padding: 4px 9px;
    border-radius: 999px;
    background: #edf1f4;
    color: #45515d;
    font-size: 0.76rem;
    font-weight: 800;
    text-transform: uppercase;
}

.status.ready {
    background: var(--success-bg);
    color: var(--success);
}

.status.ocr_failed {
    background: var(--danger-bg);
    color: var(--danger);
}

.status.processing_ocr {
    background: var(--warning-bg);
    color: var(--warning);
}

.metadata {
    display: grid;
    gap: 14px;
    margin: 0;
}

.metadata.compact {
    grid-template-columns:
        repeat(auto-fit, minmax(150px, 1fr));
}

.metadata div {
    min-width: 0;
}

.metadata dt {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 750;
    text-transform: uppercase;
}

.metadata dd {
    margin: 4px 0 0;
    overflow-wrap: anywhere;
}

.hash {
    font-family: ui-monospace, monospace;
    font-size: 0.8rem;
}

.excerpt,
.hint,
.muted {
    color: var(--muted);
}

.excerpt {
    margin-bottom: 0;
}

.details-layout {
    display: grid;
    gap: 20px;
}

.ocr-text {
    max-height: 620px;
    margin: 0;
    padding: 16px;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #f8fafb;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: ui-monospace, monospace;
    font-size: 0.86rem;
}

.auth-shell {
    min-height: calc(100vh - 160px);
    display: grid;
    place-items: center;
}

.auth-panel {
    width: min(440px, 100%);
}

.empty-state {
    text-align: center;
}

@media (min-width: 860px) {
    .document-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .details-layout {
        grid-template-columns: minmax(300px, 0.75fr)
            minmax(0, 1.25fr);
    }
}

@media (max-width: 640px) {
    .topbar-inner,
    .container {
        width: min(100% - 22px, 1180px);
    }

    .account span {
        display: none;
    }

    .page-heading {
        align-items: stretch;
        flex-direction: column;
    }

    .search-form,
    .action-row {
        align-items: stretch;
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .panel,
    .document-card {
        padding: 17px;
        border-radius: 11px;
    }
}