:root {
    --bg: #0f1115;
    --surface: #1a1d24;
    --surface-2: #22262f;
    --border: #2b303a;
    --fg: #e6e8ec;
    --fg-dim: #9aa0ab;
    --accent: #4CAF50;
    --accent-fg: #0f1115;
    --danger: #ef4444;
    --warn: #f59e0b;
    --ok: #22c55e;
    --pending: #3b82f6;
    --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
code, pre { font-family: var(--mono); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 24px;
}
.topbar-brand a {
    font-weight: 600;
    color: var(--fg);
    font-family: var(--mono);
}
.topbar-nav {
    display: flex;
    gap: 20px;
    align-items: center;
    margin-left: auto;
}
.topbar-nav a { color: var(--fg-dim); }
.topbar-nav a:hover { color: var(--fg); }
.topbar-email { color: var(--fg-dim); font-size: 13px; }

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 24px 20px 48px;
    flex: 1;
}

.bottombar {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 12px 20px;
    color: var(--fg-dim);
    font-size: 12px;
    text-align: center;
}

h1 { font-size: 24px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 0 0 12px; }
h3 { font-size: 15px; margin: 20px 0 8px; }

.section { margin-bottom: 32px; }
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.muted { color: var(--fg-dim); }
.small { font-size: 12px; }
.inline { display: inline; }

/* buttons */
.btn, button {
    font: inherit;
    padding: 8px 14px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--surface-2);
    color: var(--fg);
    cursor: pointer;
}
.btn:hover, button:hover { background: #2a2f3a; }
.btn-primary {
    background: var(--accent);
    color: var(--accent-fg);
    border-color: var(--accent);
    font-weight: 600;
}
button.link, .link {
    background: none;
    border: none;
    padding: 0;
    color: var(--fg-dim);
    text-decoration: underline;
    cursor: pointer;
}
button.link.danger, .link.danger { color: var(--danger); }

/* forms */
.auth-card {
    max-width: 420px;
    margin: 40px auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 28px;
}
.auth-card form { display: flex; flex-direction: column; gap: 14px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
label > span { color: var(--fg-dim); }
input, textarea, select {
    font: inherit;
    padding: 8px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--fg);
    width: 100%;
}
input:focus, textarea:focus, select:focus {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
}
input[readonly] { background: var(--surface-2); color: var(--fg-dim); }

/* tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.data-table th, .data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}
.data-table th {
    background: var(--surface-2);
    color: var(--fg-dim);
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table td.url { max-width: 260px; overflow: hidden; text-overflow: ellipsis; }
.data-table td.actions-cell { white-space: nowrap; }
.data-table td.actions-cell form { margin-right: 10px; }

/* supplier cards */
.supplier-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 12px;
}
.supplier-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 14px;
}
.supplier-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

/* filter bar */
.filter-bar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 16px;
}
.filter-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto auto;
    gap: 10px;
    align-items: end;
}
.filter-field { font-size: 12px; }
.filter-field.range { min-width: 110px; }
.filter-buttons { display: flex; gap: 8px; align-items: center; }
@media (max-width: 700px) {
    .filter-row { grid-template-columns: 1fr; }
}

/* message list */
.message-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.message-row {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 14px;
}
.message-meta {
    display: flex;
    gap: 10px;
    align-items: baseline;
    font-size: 12px;
    color: var(--fg-dim);
}
.message-meta strong { color: var(--fg); font-size: 13px; }
.message-meta time { color: var(--fg-dim); }
.sim-tag {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 6px;
    font-family: var(--mono);
}
.message-body {
    margin-top: 6px;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.6;
}

/* pills */
.pill {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    background: var(--surface-2);
    color: var(--fg-dim);
}
.pill.ok { background: rgba(34, 197, 94, 0.15); color: var(--ok); }
.pill.off { background: rgba(154, 160, 171, 0.15); color: var(--fg-dim); }
.pill.pending { background: rgba(59, 130, 246, 0.15); color: var(--pending); }
.pill.fail { background: rgba(239, 68, 68, 0.15); color: var(--danger); }

/* flashes */
.flash-success, .flash-error, .flash-warning {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
}
.flash-success { background: rgba(34, 197, 94, 0.1); color: var(--ok); border: 1px solid rgba(34, 197, 94, 0.3); }
.flash-error { background: rgba(239, 68, 68, 0.1); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.3); }
.flash-warning { background: rgba(245, 158, 11, 0.1); color: var(--warn); border: 1px solid rgba(245, 158, 11, 0.3); }

.signing-key {
    display: block;
    margin-top: 6px;
    padding: 8px;
    background: var(--surface-2);
    border-radius: 4px;
    word-break: break-all;
    user-select: all;
}

/* pairing */
.pair-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warn);
    border: 1px solid rgba(245, 158, 11, 0.3);
    padding: 12px 14px;
    border-radius: 6px;
    margin: 12px 0 20px;
}
.pair-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}
.pair-qr canvas { background: #fff; padding: 12px; border-radius: 6px; }
.pair-fields { display: flex; flex-direction: column; gap: 10px; }

/* dialogs */
dialog {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--fg);
    border-radius: 10px;
    padding: 20px;
    max-width: 440px;
    width: 90vw;
}
dialog::backdrop { background: rgba(0, 0, 0, 0.5); }
dialog form { display: flex; flex-direction: column; gap: 12px; }
dialog menu {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    padding: 0;
    margin: 8px 0 0;
}
.checkbox-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    padding: 6px 0 0;
}
.inline-checkbox {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--fg);
}
.inline-checkbox input { width: auto; }

.status-chip {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 18px;
    vertical-align: middle;
    margin-left: 8px;
}
.status-chip.online   { background: #16351c; color: #7ad486; border: 1px solid #2d5c3a; }
.status-chip.degraded { background: #3b3419; color: #e2c860; border: 1px solid #5f5325; }
.status-chip.silent   { background: #3f2a19; color: #e2a360; border: 1px solid #6a4825; }
.status-chip.offline  { background: #3b1b1b; color: #e97676; border: 1px solid #6a2929; }
.status-chip.never    { background: #2a2a2a; color: #9a9a9a; border: 1px solid #444; }

/* message row with structured parse */
.message-row-grid {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 16px;
    align-items: start;
}
@media (max-width: 640px) {
    .message-row-grid { grid-template-columns: 1fr; }
}
.message-code-cell {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}
.message-code {
    font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 6px;
    user-select: all;
}
.message-code.confidence-high { background: #16351c; color: #7ad486; border: 1px solid #2d5c3a; }
.message-code.confidence-mid  { background: #3b3419; color: #e2c860; border: 1px solid #5f5325; }
.message-code.confidence-low  { background: #3f2a19; color: #e2a360; border: 1px solid #6a4825; }
.message-code.muted-code      { background: transparent; color: #666; font-weight: 400; font-size: 16px; }
.message-code-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 11px;
}
.parse-chip {
    display: inline-block;
    padding: 1px 7px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.parse-chip.chip-profile { background: #16351c; color: #7ad486; }
.parse-chip.chip-marker  { background: #1a2f3e; color: #7ab6d4; }
.parse-chip.chip-digits  { background: #332a2a; color: #c99a9a; }
.parse-chip.chip-none    { background: #2a2a2a; color: #777; }
mark.code-highlight {
    background: rgba(122, 212, 134, 0.25);
    color: inherit;
    padding: 0 2px;
    border-radius: 3px;
    font-weight: 600;
}

/* conversion stats cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(120px, 1fr));
    gap: 12px;
    margin: 12px 0 16px;
}
@media (max-width: 820px) {
    .stats-grid { grid-template-columns: repeat(2, minmax(140px, 1fr)); }
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.stat-card.total { border-left: 3px solid #7ad486; }
.stat-card.high  { border-left: 3px solid #7ad486; }
.stat-card.mid   { border-left: 3px solid #7ab6d4; }
.stat-card.low   { border-left: 3px solid #e2a360; }
.stat-card.none  { border-left: 3px solid #e97676; }
.stat-value {
    font-size: 24px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}
.stat-label {
    font-size: 12px;
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.stat-sub {
    font-size: 11px;
    color: var(--fg-dim);
}
.stat-breakdown {
    margin-top: 8px;
}
.stat-breakdown summary {
    cursor: pointer;
    color: var(--fg-dim);
    font-size: 13px;
    user-select: none;
}
.stat-breakdown summary:hover { color: var(--fg); }
.stat-breakdown .data-table { margin-top: 8px; }
.latency-strip {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 10px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin: 8px 0 0;
    font-size: 13px;
    flex-wrap: wrap;
}
.latency-label { color: var(--fg-dim); }
.latency-value {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: #7ad486;
}