/* BaobeiSmtp dashboard — minimal, self-contained, light/dark aware. */
:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --border: #e2e8f0;
  --text: #1c2430;
  --muted: #64748b;
  --primary: #2563eb;
  --primary-ink: #ffffff;
  --ok: #16a34a;
  --warn: #d97706;
  --bad: #dc2626;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141b;
    --panel: #161d27;
    --panel-2: #1c2530;
    --border: #2a3543;
    --text: #e6ebf2;
    --muted: #93a1b3;
    --primary: #3b82f6;
    --ok: #22c55e;
    --warn: #f59e0b;
    --bad: #ef4444;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
}
code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.9em; }

/* Topbar ------------------------------------------------------------------ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; }
.brand .logo {
  display: inline-grid; place-items: center;
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--primary); color: #fff;
}
.keybox { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.keybox input {
  width: 220px; max-width: 46vw;
  padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel-2); color: var(--text);
}
.key-status { font-size: 12px; color: var(--muted); }
.key-status.ok { color: var(--ok); }

/* Tabs -------------------------------------------------------------------- */
.tabs {
  display: flex; gap: 4px; padding: 10px 20px 0;
  background: var(--bg); flex-wrap: wrap;
}
.tab {
  border: 1px solid transparent; border-bottom: none;
  background: transparent; color: var(--muted);
  padding: 8px 16px; border-radius: 8px 8px 0 0; cursor: pointer; font-size: 14px;
}
.tab:hover { color: var(--text); }
.tab.active {
  background: var(--panel); color: var(--text);
  border-color: var(--border);
}

/* Panels ------------------------------------------------------------------ */
main { padding: 16px 20px 48px; max-width: 1180px; margin: 0 auto; }
.panel { display: none; }
.panel.active { display: block; animation: fade 0.15s ease; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin: 6px 0 14px; }
.panel-head h2 { margin: 0; font-size: 18px; }
h3 { font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin: 22px 0 10px; }

/* Buttons ----------------------------------------------------------------- */
.btn {
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
  padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: 13px;
  transition: background 0.12s, border-color 0.12s;
}
.btn:hover { background: var(--panel-2); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn-primary:hover { filter: brightness(1.07); background: var(--primary); }
.btn-sm { padding: 4px 9px; font-size: 12px; }
.btn-danger { color: var(--bad); border-color: var(--bad); background: transparent; }
.btn-danger:hover { background: rgba(220, 38, 38, 0.08); }

/* Cards ------------------------------------------------------------------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.cards.small { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow);
}
.stat .num { font-size: 24px; font-weight: 700; }
.stat .lbl { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }

.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow);
}

/* Forms ------------------------------------------------------------------- */
.form { display: flex; flex-direction: column; gap: 10px; }
.form h3 { margin: 0 0 4px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.form input, .form textarea, .form select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel-2); color: var(--text); font: inherit;
}
.form textarea { resize: vertical; }
.form .form-msg { font-size: 13px; min-height: 18px; }
.form.inline { flex-direction: row; align-items: flex-end; flex-wrap: wrap; gap: 12px; }
.form.inline label { flex-direction: column; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .grid2 { grid-template-columns: 1fr; } }

/* Tables ------------------------------------------------------------------ */
.tablewrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; background: var(--panel-2); position: sticky; top: 0; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--panel-2); }
td.wrap { white-space: normal; }

/* Badges ------------------------------------------------------------------ */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge.ok { background: rgba(22, 163, 74, 0.14); color: var(--ok); }
.badge.bad { background: rgba(220, 38, 38, 0.14); color: var(--bad); }
.badge.warn { background: rgba(217, 119, 6, 0.14); color: var(--warn); }
.badge.muted { background: var(--panel-2); color: var(--muted); }
.usage-bar { height: 6px; border-radius: 4px; background: var(--panel-2); overflow: hidden; min-width: 90px; }
.usage-bar > span { display: block; height: 100%; background: var(--primary); }
.usage-bar.hot > span { background: var(--bad); }

/* DKIM records ------------------------------------------------------------ */
.dns-records { margin-top: 16px; display: flex; flex-direction: column; gap: 12px; }
.dns-record {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px;
}
.dns-record h4 { margin: 0 0 8px; font-size: 13px; }
.dns-record .kv { display: grid; grid-template-columns: 70px 1fr; gap: 4px 10px; font-size: 12.5px; }
.dns-record .kv code { word-break: break-all; white-space: pre-wrap; }

/* Sparkline --------------------------------------------------------------- */
.sparkline { display: flex; align-items: flex-end; gap: 3px; height: 90px; padding: 8px 0;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel);
  padding-left: 10px; padding-right: 10px; }
.sparkline .bar { flex: 1; min-width: 4px; background: var(--primary); border-radius: 3px 3px 0 0; opacity: 0.85; }
.sparkline .bar:hover { opacity: 1; }
.empty { color: var(--muted); padding: 14px; font-style: italic; }

/* Toast ------------------------------------------------------------------- */
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 8px;
  font-size: 13px; opacity: 0; pointer-events: none; transition: all 0.2s; z-index: 50; max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.bad { background: var(--bad); color: #fff; }
.row-actions { display: flex; gap: 6px; }

/* Compose / preview ------------------------------------------------------- */
.form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form .two label { margin: 0; }
.hint { color: var(--muted); font-weight: 400; text-transform: none; letter-spacing: 0; font-size: 11px; }
.kv2 { display: grid; grid-template-columns: 70px 1fr; gap: 4px 10px; font-size: 12.5px; margin-bottom: 6px; }
.kv2 code { word-break: break-all; }
.mailframe {
  width: 100%; height: 240px; border: 1px solid var(--border); border-radius: 8px;
  background: #fff; margin-bottom: 6px;
}
table.mini { font-size: 12px; }
table.mini td { white-space: normal; word-break: break-all; vertical-align: top; padding: 5px 8px; }
table.mini td:first-child { white-space: nowrap; width: 150px; color: var(--muted); }
.raweml {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px; font-size: 11.5px; line-height: 1.4; max-height: 320px; overflow: auto;
  white-space: pre-wrap; word-break: break-all; font-family: ui-monospace, Menlo, Consolas, monospace;
}
#composeMeta { font-size: 12px; font-weight: 400; }

/* Provisioning helper (Thiết lập VPS) — copy blocks */
.copyblock { margin: 0 0 12px; }
.copyblock .cb-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 4px; }
.copyblock .cb-label { font-size: 12px; color: var(--muted); }
.copyblock .cb-copy { flex: none; }
.copyblock pre.raweml { margin: 0; }
#provisionResult h3 { font-size: 14px; margin: 20px 0 8px; }
#provisionResult h4 { text-transform: none; letter-spacing: 0; }

/* Data / Content / Reports (iteration 3) ---------------------------------- */
.form label.check { flex-direction: row; align-items: center; gap: 8px; color: var(--text); }
.form label.check input { width: auto; margin: 0; }

/* Campaign domain picker — clean checkbox list (rows, left-aligned) */
.domain-checks {
  display: flex; flex-direction: column; gap: 2px; max-height: 132px; overflow: auto;
  border: 1px solid var(--border); border-radius: 8px; padding: 6px; background: var(--panel-2);
}
.domain-checks label {
  flex-direction: row; align-items: center; gap: 8px; color: var(--text);
  margin: 0; padding: 5px 8px; border-radius: 6px; cursor: pointer; font-size: 13px;
}
.domain-checks label:hover { background: var(--panel); }
.domain-checks input { width: auto; margin: 0; flex: none; }
.domain-checks .hint { padding: 4px 8px; }
.stack { display: flex; flex-direction: column; }
.stack .tablewrap { margin-top: 2px; }
#reportProfile { min-width: 260px; }
#reportSummary:empty { display: none; }

/* ========================================================================= */
/* Iteration 4 — two-level tabs, config hub, campaign modal                  */
/* ========================================================================= */

/* Ensure [hidden] always wins over flex/grid display below. */
[hidden] { display: none !important; }

.cell-sub { font-size: 11px; color: var(--muted); }

/* Sub-tabs (second level, under Cấu Hình / System) ------------------------ */
.subpanel { display: none; }
.subpanel.active { display: block; animation: fade 0.15s ease; }
.subtabs {
  display: flex; gap: 4px; flex-wrap: wrap;
  margin: 2px 0 20px; border-bottom: 1px solid var(--border);
}
.subtab {
  border: none; background: transparent; color: var(--muted);
  padding: 8px 14px; cursor: pointer; font-size: 13px;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.subtab:hover { color: var(--text); }
.subtab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* Two-pane (list + editor) layout ----------------------------------------- */
.twopane { display: grid; grid-template-columns: 260px 1fr; gap: 16px; align-items: start; }
@media (max-width: 720px) { .twopane { grid-template-columns: 1fr; } }
.pane-left, .pane-right {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.pane-left { padding: 12px; display: flex; flex-direction: column; gap: 10px; min-height: 260px; }
.pane-right { padding: 14px 16px; min-height: 260px; }
.pane-title { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); font-weight: 600; }
.pane-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.pane-head > span { font-weight: 600; }
.pane-foot { margin-top: auto; flex-wrap: wrap; }

.list { display: flex; flex-direction: column; gap: 4px; max-height: 480px; overflow: auto; }
.list-item {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel-2); cursor: pointer; font-size: 13px;
}
.list-item:hover { border-color: var(--primary); }
.list-item.active { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.list-item .sub { font-size: 11px; color: var(--muted); }
.list-item.active .sub { color: var(--primary-ink); opacity: 0.85; }

/* Paste box (Dán URL vào nhóm) -------------------------------------------- */
.pastebox {
  display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px;
  padding: 12px; border: 1px dashed var(--border); border-radius: 8px; background: var(--panel-2);
}
.pastebox textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel); color: var(--text); font: inherit; resize: vertical;
}

/* Topic editor ------------------------------------------------------------ */
.topic-editor { display: flex; flex-direction: column; gap: 12px; }
.topic-editor label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.topic-editor input, .topic-editor textarea {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel-2); color: var(--text); font: inherit; resize: vertical;
}

/* Sources HTML — numbered strip ------------------------------------------- */
.source-strip { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.strip-btn {
  position: relative; width: 36px; height: 36px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--panel); color: var(--text);
  cursor: pointer; font-size: 13px; font-weight: 600;
}
.strip-btn:hover { border-color: var(--primary); }
.strip-btn.active { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.strip-btn::after {
  content: ''; position: absolute; top: 4px; right: 4px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--muted); opacity: 0.35;
}
.strip-btn.on::after { background: var(--ok); opacity: 1; }
.strip-btn.active::after { background: #fff; opacity: 0.9; }

/* Sources HTML — editor --------------------------------------------------- */
.source-editor { display: flex; flex-direction: column; gap: 12px; }
.src-toolbar { display: flex; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.src-toolbar .src-name { flex: 1; min-width: 200px; display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.src-toolbar .src-name input {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel-2); color: var(--text); font: inherit;
}
.src-toolbar .row-actions { margin-bottom: 1px; }
.src-modes {
  display: flex; gap: 18px; flex-wrap: wrap; padding: 10px 0;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.src-modes label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text); cursor: pointer; }
.src-modes input { margin: 0; }
.src-views { min-height: 340px; }
.src-html, .src-soan, .src-preview {
  width: 100%; min-height: 360px; border: 1px solid var(--border); border-radius: 8px;
}
.src-html {
  padding: 12px; background: var(--panel-2); color: var(--text);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 12.5px;
  line-height: 1.5; resize: vertical; display: block;
}
.src-soan { padding: 16px 18px; background: #fff; color: #111; overflow: auto; display: block; }
.src-preview { background: #fff; display: block; }
.src-hint { display: block; }

/* Toggle switch (Gửi on/off) ---------------------------------------------- */
.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; font-size: 13px; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: relative; flex: none; width: 40px; height: 22px;
  background: var(--border); border-radius: 999px; transition: background 0.15s;
}
.switch .slider::before {
  content: ''; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px;
  background: #fff; border-radius: 50%; transition: transform 0.15s; box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}
.switch input:checked + .slider { background: var(--ok); }
.switch input:checked + .slider::before { transform: translateX(18px); }
.switch .switch-label { font-weight: 600; color: var(--text); }

/* Modal (add/edit campaign) ----------------------------------------------- */
.modal {
  position: fixed; inset: 0; z-index: 60; background: rgba(15, 23, 42, 0.55);
  display: flex; align-items: flex-start; justify-content: center; padding: 64px 16px;
  overflow: auto;
}
.modal-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35); width: 100%; max-width: 460px; padding: 18px 20px;
}
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.modal-head h3 { margin: 0; font-size: 16px; color: var(--text); text-transform: none; letter-spacing: 0; }
.modal-close { border: none; background: transparent; color: var(--muted); font-size: 22px; line-height: 1; cursor: pointer; padding: 0 4px; }
.modal-close:hover { color: var(--text); }
.modal-actions { justify-content: flex-end; margin-top: 6px; align-items: center; }

/* Campaign preview (eye) modal ------------------------------------------- */
.preview-card { max-width: 860px; }
.preview-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
#previewModal .mailframe { height: 440px; }
#previewModal h4 { margin: 10px 0 6px; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.preview-raw summary { cursor: pointer; color: var(--muted); font-size: 12px; margin: 8px 0; }
.preview-body .empty { padding: 40px 0; }

/* Modal dialogs (styled confirm/prompt) --------------------------------- */
.modal-ov {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(8, 12, 18, 0.55); backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  animation: fade 0.12s ease;
}
.modal-box {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  width: 100%; max-width: 420px; padding: 22px 24px;
}
.modal-title { margin: 0 0 8px; font-size: 16px; text-transform: none; letter-spacing: 0; color: var(--text); }
.modal-msg { font-size: 14px; color: var(--text); line-height: 1.5; white-space: pre-wrap; }
.modal-input {
  width: 100%; margin-top: 14px; padding: 9px 11px; font: inherit;
  border: 1px solid var(--border); border-radius: 8px; background: var(--panel-2); color: var(--text);
}
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* Campaign bulk bar ------------------------------------------------------ */
.bulkbar { display: flex; align-items: center; gap: 8px; margin: 0 0 12px; flex-wrap: wrap; }
.muted-text { color: var(--muted); font-size: 12px; margin-right: 6px; }

/* Compact import form + tidy profiles table ----------------------------- */
.import-form .import-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; }
.import-form .import-row label { flex: 1 1 150px; min-width: 130px; }
.import-form .import-row label.check { flex: 0 0 auto; flex-direction: row; align-items: center; gap: 6px; }
.import-actions { display: flex; align-items: center; gap: 12px; margin-top: 4px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl-compact td, .tbl-compact th { padding: 7px 12px; }
.tbl-foot { padding: 8px 4px 0; color: var(--muted); font-size: 12px; }