:root {
    --bg: #0f1115;
    --bg-elev: #131722;
    --card: #161b26;
    --text: #e7eef7;
    --muted: #a9b4c3;
    --border: #243043;
    --brand: #5b9dff;
    --brand-2: #7bd4ff;
    --success: #29c36a;
    --danger: #ff5d5d;
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
    color-scheme: dark;
}

[data-theme="light"] {
    --bg: #f6f8fb;
    --bg-elev: #fff;
    --card: #fff;
    --text: #1d2433;
    --muted: #5b6678;
    --border: #e6eaf2;
    --brand: #0054e6;
    --brand-2: #3aa2ff;
    --success: #1a9a56;
    --danger: #d14646;
    --shadow: 0 8px 24px rgba(0, 0, 0, .08);
    color-scheme: light;
}

* {
    box-sizing: border-box
}

html,
body {
    height: 100%
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, "Segoe UI", Roboto, Arial, sans-serif;
    background:
        /*radial-gradient(1200px 600px at 10% -10%, rgba(91, 157, 255, .08), transparent 60%),
        radial-gradient(900px 500px at 110% 0%, rgba(123, 212, 255, .10), transparent 60%),*/
        var(--bg);
    color: var(--text);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    backdrop-filter: saturate(140%) blur(8px);
}

.brand {
    display: flex;
    gap: 10px;
    align-items: center;
    font-weight: 700;
    letter-spacing: .2px
}

.brand svg {
    color: var(--brand)
}

.actions {
    display: flex;
    gap: 8px;
    align-items: center
}

/* Layout */
.container {
    max-width: 980px;
    margin: 24px auto;
    padding: 0 16px;
    display: grid;
    gap: 18px
}

.card {
    background: linear-gradient(180deg, var(--card), color-mix(in srgb, var(--card) 90%, #000 10%));
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    border-bottom: 1px dashed var(--border)
}

/* Hero */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    gap: 18px
}

.hero h1 {
    margin: 0 0 6px;
    font-size: clamp(22px, 3.4vw, 30px)
}

.hero .muted {
    color: var(--muted)
}

.hero-cta .large {
    font-size: 1.05rem;
    padding: 14px 20px
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 14px
}

.col-12 {
    grid-column: span 12
}

.col-6 {
    grid-column: span 6
}

@media (max-width:720px) {
    .col-6 {
        grid-column: span 12
    }
}

/* Form */
.form-card {
    padding: 16px
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px
}

input[type="url"],
input[type="text"],
select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    background: linear-gradient(0deg, var(--bg-elev), var(--bg-elev));
    border: 1px solid var(--border);
    color: var(--text);
    outline: none;
    transition: border .15s, box-shadow .15s, transform .05s;
}

input:focus,
select:focus {
    border-color: color-mix(in srgb, var(--brand) 60%, var(--border) 40%);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 30%, transparent);
}

.hint {
    color: var(--muted);
    display: block;
    margin-top: 6px;
    font-size: .9rem
}

.error {
    color: var(--danger);
    min-height: 1.2em;
    margin-top: 6px;
    font-size: .9rem
}

.form-actions {
    display: flex;
    gap: 10px;
    align-items: center
}

/* Result */
.result-box {
    margin-top: 14px;
    padding: 12px;
    border: 1px dashed var(--border);
    border-radius: 12px;
    background: var(--bg-elev)
}

.result-row {
    display: flex;
    gap: 10px;
    align-items: center
}

.result-row input[readonly] {
    flex: 1 1 auto;
    min-width: 0
}

.result-buttons {
    display: flex;
    gap: 8px
}

/* Recent */
.recent-card {
    padding: 0
}

.recent-list {
    padding: 12px
}

.link-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: linear-gradient(180deg, var(--bg-elev), color-mix(in srgb, var(--bg-elev) 92%, #000 8%));
    transition: transform .12s ease-out, border-color .15s;
}

.link-item:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--brand) 40%, var(--border) 60%)
}

.link-main {
    display: flex;
    gap: 8px;
    align-items: center;
    overflow: auto;
    scrollbar-width: thin
}

.link-main {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 8px;
    align-items: center
}

.link-main .mono.ellipsis:first-child {
    min-width: 0
}

.mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    white-space: nowrap
}

.arrow {
    opacity: .6
}

.link-meta {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    align-items: center
}

.timestamp {
    color: var(--muted);
    font-size: .92rem
}

.link-actions {
    display: flex;
    gap: 6px
}

/* Footer */
.site-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    justify-content: space-between;
    margin: 28px auto;
    padding: 10px 16px;
    max-width: 980px;
    color: var(--muted)
}

.site-footer a {
    color: color-mix(in srgb, var(--brand) 80%, var(--text) 20%)
}

/* Buttons */
.btn {
    -webkit-tap-highlight-color: transparent;
    appearance: none;
    border: none;
    cursor: pointer;
    user-select: none;
    border-radius: 12px;
    padding: 10px 14px;
    font-weight: 700;
    letter-spacing: .2px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--brand) 80%, var(--brand-2) 20%), var(--brand));
    color: #fff;
    box-shadow: 0 10px 20px color-mix(in srgb, var(--brand) 35%, transparent);
    transition: transform .04s ease, filter .15s ease, box-shadow .15s ease;
}

.btn:hover {
    filter: brightness(1.05)
}

.btn:active {
    transform: translateY(1px)
}

.btn.outline {
    background: transparent;
    color: var(--text);
    border: 1px solid color-mix(in srgb, var(--brand) 60%, var(--border) 40%)
}

.btn.ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border)
}

.btn.tiny {
    padding: 6px 10px;
    font-weight: 600;
    border-radius: 10px
}

.btn.large {
    padding: 14px 20px;
    border-radius: 14px
}

/* Toast */
#toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-elev);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 14px;
    opacity: 0;
    box-shadow: var(--shadow);
    pointer-events: none;
    transition: opacity .2s, transform .2s;
}

#toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0)
}

/* Links & helpers */
a {
    color: color-mix(in srgb, var(--brand) 80%, var(--text) 20%);
    text-decoration: none
}

a:hover {
    text-decoration: underline
}

.ellipsis {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

select.select,
.select {
    appearance: none;
    background: var(--bg-elev);
    color: var(--text);
    border: 1px solid var(--border)
}

select option {
    background: var(--bg-elev);
    color: var(--text)
}

select:focus {
    border-color: color-mix(in srgb, var(--brand) 60%, var(--border) 40%);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 30%, transparent);
}

.nowrap {
    white-space: nowrap
}

/* Stats */
.kpi-card {
    padding: 16px
}

.section-title {
    margin: 10px 12px 0
}

.kpi-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(6, minmax(0, 1fr))
}

@media (max-width:980px) {
    .kpi-grid {
        grid-template-columns: repeat(3, 1fr)
    }
}

@media (max-width:640px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

.kpi {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    background: linear-gradient(180deg, var(--bg-elev), color-mix(in srgb, var(--bg-elev) 92%, #000 8%))
}

.kpi-label {
    color: var(--muted);
    font-weight: 600;
    font-size: .9rem
}

.kpi-value {
    font-size: 1.4rem;
    font-weight: 800;
    margin-top: 4px
}

.table-wrap {
    overflow: auto
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .98rem
}

.data-table th,
.data-table td {
    padding: 10px;
    border-bottom: 1px solid var(--border);
    vertical-align: top
}

.data-table thead th {
    position: sticky;
    top: 0;
    background: var(--bg-elev);
    z-index: 1
}

.data-table .right {
    text-align: right
}

.scrollbox {
    max-height: 320px;
    overflow: auto;
    padding: 12px;
    margin: 0;
    background: linear-gradient(180deg, var(--bg-elev), color-mix(in srgb, var(--bg-elev) 92%, #000 8%));
    border: 1px solid var(--border);
    border-radius: 12px;
}

.subhead {
    margin: 10px 6px
}

.table-filter {
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-elev);
    color: var(--text);
    min-width: 220px
}

/* Stats wide container */
.container.container--wide {
    max-width: 1280px;
    padding: 0 20px
}

.container.container--wide .card {
    padding: 16px
}

.container.container--wide .section-head {
    padding: 12px 4px;
    border-bottom: 1px dashed var(--border)
}

.container.container--wide .data-table {
    table-layout: fixed;
    font-size: .96rem;
    line-height: 1.35
}

.container.container--wide .data-table th,
.container.container--wide .data-table td {
    padding: 8px 10px
}

.container.container--wide .data-table td:nth-child(2),
.container.container--wide .data-table td:nth-child(5) {
    max-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.container.container--wide .data-table tbody tr:nth-child(odd) td {
    background: color-mix(in srgb, var(--bg-elev) 96%, #000 4%)
}

.container.container--wide .table-wrap {
    overflow: auto;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch
}

.container.container--wide .kpi-value {
    font-size: 1.5rem
}

@media (max-width:720px) {
    .container.container--wide {
        max-width: 100%;
        padding: 0 12px
    }

    .container.container--wide .data-table {
        font-size: .94rem
    }
}

/* Error page */
.error-card {
    padding: 16px
}

.error-hero {
    display: flex;
    gap: 18px;
    align-items: center;
    padding: 8px 6px 16px
}

.error-illustration {
    font-size: clamp(44px, 8vw, 72px);
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, .25))
}

.error-main {
    flex: 1 1 auto
}

.status-badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--danger) 18%, var(--bg-elev));
    border: 1px solid color-mix(in srgb, var(--danger) 60%, var(--border) 40%);
    color: var(--text);
    font-weight: 700;
    letter-spacing: .2px;
    margin-bottom: 6px;
}

.error-title {
    margin: 4px 0 6px;
    font-size: clamp(22px, 3.4vw, 28px)
}

.error-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px
}

.error-details {
    margin-top: 12px
}

.error-details>summary {
    list-style: none;
    cursor: pointer;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-elev);
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.error-details>summary::-webkit-details-marker {
    display: none
}

.error-details[open]>summary {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0
}

.summary-title {
    font-weight: 700
}

.summary-hint {
    color: var(--muted);
    font-size: .9rem
}

.details-body {
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 10px 10px;
    background: var(--bg-elev)
}

#error-dump {
    margin: 0;
    padding: 12px;
    max-height: 360px;
    overflow: auto;
    background: linear-gradient(180deg, var(--bg-elev), color-mix(in srgb, var(--bg-elev) 92%, #000 8%));
    border-bottom: 1px solid var(--border);
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: anywhere;
}

@media (max-width:720px) {
    .error-card {
        padding: 12px
    }

    .error-details>summary {
        padding: 8px 10px
    }

    #error-dump {
        max-height: 300px
    }
}