/* ==========================================================================
   BulkSMS Hub — Apple-clean design system (self-contained, no CDNs)
   Calm tinted neutrals · restrained depth · SF-style type · quiet color
   ========================================================================== */
:root {
  /* surfaces — warm-gray tinted, never pure white/black */
  --bg: #f5f5f7;                 /* Apple page gray */
  --surface: #ffffff;
  --surface-2: #fbfbfd;
  --surface-3: #f2f2f7;          /* iOS systemGray6 */
  --border: #e8e8ed;
  --border-strong: #d2d2d7;

  /* text — near-black with blue tint */
  --text: #1d1d1f;
  --text-2: #55565b;
  --text-3: #86868b;

  /* one accent, quiet — Apple blue */
  --brand: #0071e3;
  --brand-600: #0060c9;
  --brand-50: #eaf3ff;

  /* sidebar: light, like macOS System Settings */
  --nav-bg: rgba(250, 250, 252, .86);
  --nav-border: #e5e5ea;
  --nav-text: #3a3a3c;
  --nav-muted: #8e8e93;

  /* status — tinted, desaturated */
  --ok: #34c759; --ok-deep: #1e8e3e; --ok-bg: #e6f6ea;
  --warn: #ff9f0a; --warn-deep: #b25e09; --warn-bg: #fff4e0;
  --err: #ff3b30; --err-deep: #c5221b; --err-bg: #fdeceb;
  --info: #0a84ff; --info-bg: #e8f1fe;
  --purple: #af52de; --purple-bg: #f5ecfb;

  --radius: 12px;
  --radius-sm: 9px;
  --radius-lg: 18px;
  --shadow: 0 1px 1px rgba(0, 0, 0, .03), 0 2px 8px rgba(0, 0, 0, .04);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, .14);
  --sidebar-w: 232px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0; line-height: 1.22; font-weight: 700; letter-spacing: -.015em; }
h1 { font-size: 21px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; }
p { margin: 0 0 10px; }
code, pre, .mono { font-family: var(--mono); font-size: 12px; }
pre { background: #2c2c2e; color: #e8e8ed; padding: 14px 16px; border-radius: var(--radius-sm); overflow: auto; margin: 0 0 12px; }
hr { border: 0; border-top: 1px solid var(--border); margin: 18px 0; }
::selection { background: #b3d7ff; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 4px; }

/* ------------------------------------------------------------------ layout */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
  background: var(--nav-bg);
  -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
  border-right: 1px solid var(--nav-border);
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; z-index: 40;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 16px 16px 14px; border-bottom: 1px solid var(--nav-border); }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px; flex: 0 0 30px;
  background: linear-gradient(160deg, #3da0ff, #0071e3);
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 14px;
}
.brand-name { color: var(--text); font-weight: 700; font-size: 14px; letter-spacing: -.01em; }
.brand-sub { font-size: 11px; color: var(--nav-muted); }

.nav { padding: 10px 10px; overflow-y: auto; flex: 1; }
.nav-label { font-size: 10.5px; text-transform: none; letter-spacing: .02em; color: var(--nav-muted); padding: 14px 10px 5px; font-weight: 600; }
.nav a {
  display: flex; align-items: center; gap: 9px; padding: 7px 10px; border-radius: var(--radius-sm);
  color: var(--nav-text); font-weight: 500; margin-bottom: 1px; font-size: 13.5px;
  transition: background .15s ease;
}
.nav a:hover { background: rgba(0, 0, 0, .05); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--brand); color: #fff; }
.nav a svg { width: 16px; height: 16px; flex: 0 0 16px; opacity: .92; }
.nav .badge-nav { margin-left: auto; background: rgba(0, 0, 0, .08); color: var(--text-2); border-radius: 20px; padding: 1px 7px; font-size: 11px; font-weight: 600; }
.nav a.active .badge-nav { background: rgba(255, 255, 255, .25); color: #fff; }

.side-foot { padding: 12px 14px; border-top: 1px solid var(--nav-border); font-size: 11.5px; color: var(--nav-muted); }
.worker-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 6px; background: var(--ok); box-shadow: 0 0 0 3px rgba(52, 199, 89, .18); }
.worker-dot.off { background: var(--warn); box-shadow: 0 0 0 3px rgba(255, 159, 10, .18); }
.worker-dot.stopped { background: var(--err); box-shadow: 0 0 0 3px rgba(255, 59, 48, .18); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 56px; background: rgba(255, 255, 255, .82);
  -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 14px; padding: 0 24px; position: sticky; top: 0; z-index: 30;
}
.topbar h1 { font-size: 16px; font-weight: 600; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.content { padding: 24px; flex: 1; max-width: 1440px; width: 100%; }
.menu-btn { display: none; background: none; border: 1px solid var(--border); border-radius: 8px; padding: 6px 9px; cursor: pointer; }

.avatar {
  width: 30px; height: 30px; border-radius: 50%; background: var(--surface-3); color: var(--text-2);
  display: grid; place-items: center; font-weight: 600; font-size: 12px; border: 1px solid var(--border);
}

/* ------------------------------------------------------------------- cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card + .card { margin-top: 16px; }
.card-head { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.card-head h2, .card-head h3 { flex: 0 0 auto; }
.card-head .sub { color: var(--text-3); font-size: 12.5px; }
.card-head .right { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.card-body { padding: 18px; }
.card-body.tight { padding: 0; }
.card-foot { padding: 12px 18px; border-top: 1px solid var(--border); background: var(--surface-2); border-radius: 0 0 var(--radius) var(--radius); font-size: 12.5px; color: var(--text-2); }

.grid { display: grid; gap: 14px; }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.g-sidebar { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
.g-compose { grid-template-columns: minmax(0, 1fr) 360px; }

/* ------------------------------------------------------------------- stats */
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 15px 16px; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.stat .label { color: var(--text-3); font-size: 11.5px; letter-spacing: .01em; font-weight: 600; }
.stat .value { font-size: 26px; font-weight: 700; letter-spacing: -.022em; margin-top: 3px; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat .delta { font-size: 12px; color: var(--text-2); margin-top: 4px; }
.stat .ico { position: absolute; right: 12px; top: 12px; width: 29px; height: 29px; border-radius: 8px; display: grid; place-items: center; }
.stat .ico svg { width: 15px; height: 15px; }
.stat.accent .ico { background: var(--brand-50); color: var(--brand); }
.stat.ok .ico { background: var(--ok-bg); color: var(--ok-deep); }
.stat.err .ico { background: var(--err-bg); color: var(--err-deep); }
.stat.warn .ico { background: var(--warn-bg); color: var(--warn-deep); }
.stat.info .ico { background: var(--info-bg); color: var(--info); }

/* ------------------------------------------------------------------ tables */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th {
  text-align: left; padding: 9px 14px; background: var(--surface-2); color: var(--text-3);
  font-size: 11.5px; font-weight: 600; border-bottom: 1px solid var(--border); white-space: nowrap;
}
table.data td { padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: #f7f9fc; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data .row-actions { display: flex; gap: 6px; justify-content: flex-end; }
table.data.compact td, table.data.compact th { padding: 7px 12px; }
.empty { padding: 46px 20px; text-align: center; color: var(--text-3); }
.empty svg { width: 38px; height: 38px; opacity: .35; margin-bottom: 10px; }
.empty h3 { color: var(--text-2); margin-bottom: 4px; }

/* ----------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 7px 14px; border-radius: 980px;
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
  font-size: 13.5px; font-weight: 500; cursor: pointer; font-family: inherit; line-height: 1.4;
  transition: background .15s ease, border-color .15s ease, transform .08s ease, box-shadow .15s ease; white-space: nowrap;
}
.btn:hover { background: var(--surface-2); border-color: #b9bcc3; text-decoration: none; }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn svg { width: 15px; height: 15px; }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-600); border-color: var(--brand-600); color: #fff; }
.btn-success { background: var(--ok-deep); border-color: var(--ok-deep); color: #fff; }
.btn-success:hover { background: #17742f; border-color: #17742f; color: #fff; }
.btn-danger { background: var(--err-deep); border-color: var(--err-deep); color: #fff; }
.btn-danger:hover { background: #a81c15; border-color: #a81c15; color: #fff; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--brand); }
.btn-ghost:hover { background: var(--brand-50); border-color: transparent; }
.btn-sm { padding: 4px 11px; font-size: 12.5px; }
.btn-sm svg { width: 13px; height: 13px; }
.btn-lg { padding: 11px 20px; font-size: 14.5px; }
.btn-block { width: 100%; justify-content: center; }
.btn-group { display: inline-flex; gap: 8px; flex-wrap: wrap; }

/* ------------------------------------------------------------------- forms */
label.field { display: block; margin-bottom: 14px; }
label.field > span, .field-label { display: block; font-size: 12.5px; font-weight: 600; color: var(--text-2); margin-bottom: 5px; }
.hint { font-size: 12px; color: var(--text-3); margin-top: 4px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date],
input[type=datetime-local], input[type=time], input[type=url], input[type=search], input[type=tel],
select, textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 14px; color: var(--text); background: var(--surface);
  transition: border-color .15s ease, box-shadow .15s ease;
  appearance: none; -webkit-appearance: none;
}
input::placeholder, textarea::placeholder { color: #a1a1a6; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3.5px rgba(0, 113, 227, .18); }
textarea { resize: vertical; min-height: 84px; line-height: 1.55; }
textarea.sms-body { font-size: 15px; min-height: 120px; }
input:disabled, select:disabled, textarea:disabled { background: var(--surface-3); color: var(--text-3); }
.input-group { display: flex; gap: 8px; }
.input-group > * { flex: 1; }
.input-group > .btn { flex: 0 0 auto; }
select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2386868b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat: no-repeat; background-position: right 11px center; padding-right: 32px;
}
.check { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 9px; cursor: pointer; font-size: 13.5px; }
.check input { margin-top: 3px; width: 15px; height: 15px; accent-color: var(--brand); flex: 0 0 auto; }
.check-box { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 9px 11px; margin-bottom: 8px; display: flex; gap: 9px; align-items: flex-start; cursor: pointer; transition: border-color .15s ease, background .15s ease; }
.check-box:hover { border-color: var(--border-strong); background: var(--surface-2); }
.check-box input { margin-top: 3px; accent-color: var(--brand); }
.check-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px 4px; margin: 0 0 16px; }
legend { font-size: 12px; font-weight: 600; color: var(--text-3); padding: 0 7px; letter-spacing: .02em; }
.form-row { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.req { color: var(--err); }

/* ------------------------------------------------------------------- pills */
.pill { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 980px; font-size: 11.5px; font-weight: 600; white-space: nowrap; border: 1px solid transparent; }
.pill::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: .8; }
.pill.plain::before { display: none; }
.pill-ok { background: var(--ok-bg); color: var(--ok-deep); }
.pill-err { background: var(--err-bg); color: var(--err-deep); }
.pill-warn { background: var(--warn-bg); color: var(--warn-deep); }
.pill-info { background: var(--info-bg); color: #0060c9; }
.pill-muted { background: var(--surface-3); color: var(--text-2); }
.pill-brand { background: var(--brand-50); color: var(--brand-600); }
.pill-purple { background: var(--purple-bg); color: #8e24aa; }
.tag { display: inline-block; padding: 1.5px 8px; border-radius: 6px; background: var(--surface-3); border: 1px solid transparent; font-size: 11.5px; color: var(--text-2); font-weight: 500; }
.tag.group { background: var(--brand-50); color: var(--brand-600); }

/* ------------------------------------------------------------------ alerts */
.alert { padding: 11px 14px; border-radius: var(--radius-sm); margin-bottom: 14px; font-size: 13.5px; border: 1px solid; display: flex; gap: 9px; align-items: flex-start; }
.alert svg { width: 17px; height: 17px; flex: 0 0 17px; margin-top: 1px; }
.alert-success { background: var(--ok-bg); border-color: #c3ecd0; color: #14532d; }
.alert-error { background: var(--err-bg); border-color: #f6c6c2; color: #7f1d1d; }
.alert-warn { background: var(--warn-bg); border-color: #f8ddb0; color: #78350f; }
.alert-info { background: var(--info-bg); border-color: #c5ddf8; color: #0c4a6e; }
.alert-plain { background: var(--surface-3); border-color: var(--border); color: var(--text-2); }

/* ------------------------------------------------------------------- misc */
.progress { height: 6px; background: var(--surface-3); border-radius: 20px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--brand); border-radius: 20px; transition: opacity .3s ease; }
.progress.ok > span { background: var(--ok); }
.muted { color: var(--text-3); }
.small { font-size: 12.5px; }
.tiny { font-size: 11.5px; }
.right { text-align: right; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.mt0 { margin-top: 0; } .mt8 { margin-top: 8px; } .mt12 { margin-top: 12px; } .mt16 { margin-top: 16px; } .mt24 { margin-top: 24px; }
.mb0 { margin-bottom: 0; } .mb8 { margin-bottom: 8px; } .mb12 { margin-bottom: 12px; } .mb16 { margin-bottom: 16px; }
.flex { display: flex; gap: 10px; align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.between { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.grow { flex: 1; min-width: 0; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 340px; }
.divider { height: 1px; background: var(--border); margin: 16px 0; }
.kv { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 8px 14px; font-size: 13.5px; }
.kv dt { color: var(--text-3); font-weight: 500; }
.kv dd { margin: 0; word-break: break-word; }
.phone-preview { background: var(--surface-3); border-radius: var(--radius-lg); padding: 14px; max-width: 320px; border: 1px solid var(--border); }
.bubble {
  background: var(--surface); border-radius: 16px 16px 16px 4px; padding: 10px 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .08); font-size: 13.5px; word-break: break-word; white-space: pre-wrap;
}
.bubble .from { font-size: 11px; color: var(--text-3); font-weight: 600; margin-bottom: 3px; }
.counter { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: var(--text-2); margin-top: 8px; }
.counter b { font-variant-numeric: tabular-nums; }
.counter .warn { color: var(--warn-deep); }
.counter .err { color: var(--err-deep); font-weight: 700; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; flex-wrap: wrap; }
.tabs a { padding: 8px 14px; border-radius: var(--radius-sm) var(--radius-sm) 0 0; color: var(--text-2); font-weight: 500; font-size: 13.5px; border: 1px solid transparent; border-bottom: 0; margin-bottom: -1px; }
.tabs a:hover { background: var(--surface-2); text-decoration: none; }
.tabs a.active { background: var(--surface); border-color: var(--border); color: var(--text); font-weight: 600; }
.pagination { display: flex; gap: 6px; align-items: center; justify-content: center; padding: 14px; flex-wrap: wrap; }
.pagination a, .pagination span { padding: 5px 11px; border: 1px solid var(--border); border-radius: 980px; font-size: 13px; color: var(--text-2); background: var(--surface); }
.pagination a:hover { background: var(--surface-2); text-decoration: none; }
.pagination .current { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 600; }
.pagination .disabled { opacity: .45; pointer-events: none; }
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar input[type=search], .toolbar input[type=text], .toolbar select { width: auto; min-width: 150px; }
.chart-box { position: relative; height: 200px; }
.chart-box canvas { width: 100%; height: 100%; display: block; }
.donut-wrap { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.legend { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; }
.legend div { display: flex; align-items: center; gap: 7px; }
.legend i { width: 9px; height: 9px; border-radius: 3px; display: inline-block; flex: 0 0 9px; }
.steps { display: flex; gap: 0; margin-bottom: 20px; flex-wrap: wrap; }
.step { flex: 1; min-width: 130px; padding: 10px 12px; border-bottom: 2px solid var(--border); font-size: 12.5px; color: var(--text-3); font-weight: 600; }
.step.active { border-color: var(--brand); color: var(--brand); }
.step.done { border-color: var(--ok); color: var(--ok-deep); }
.step b { display: block; font-size: 11px; letter-spacing: .04em; opacity: .75; font-weight: 600; }
.dropzone { border: 1.5px dashed var(--border-strong); border-radius: var(--radius); padding: 22px; text-align: center; color: var(--text-3); background: var(--surface-2); cursor: pointer; transition: border-color .15s ease, background .15s ease; }
.dropzone:hover, .dropzone.over { border-color: var(--brand); background: var(--brand-50); color: var(--brand-600); }
.modal-back { position: fixed; inset: 0; background: rgba(0, 0, 0, .4); display: grid; place-items: center; z-index: 100; padding: 20px; }
.modal { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); max-width: 560px; width: 100%; max-height: 88vh; overflow: auto; }
.modal-head { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; }
.modal-body { padding: 20px; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; background: var(--surface-2); border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
.hidden { display: none !important; }
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.pulse { animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
.scroll-y { max-height: 420px; overflow-y: auto; }
.list-plain { list-style: none; margin: 0; padding: 0; }
.list-plain li { padding: 9px 0; border-bottom: 1px solid var(--border); }
.list-plain li:last-child { border-bottom: 0; }
.timeline { position: relative; padding-left: 20px; }
.timeline::before { content: ''; position: absolute; left: 5px; top: 4px; bottom: 4px; width: 2px; background: var(--border); }
.timeline-item { position: relative; padding-bottom: 14px; }
.timeline-item::before { content: ''; position: absolute; left: -19px; top: 5px; width: 9px; height: 9px; border-radius: 50%; background: var(--brand); border: 2px solid var(--surface); }

/* ------------------------------------------------------------------- auth */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: var(--bg); }
.auth-card {
  width: 100%; max-width: 400px; background: rgba(255, 255, 255, .9);
  -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-lg);
}
.auth-card.wide { max-width: 560px; }
.auth-logo { display: flex; align-items: center; gap: 11px; margin-bottom: 22px; }
.auth-logo .brand-mark { width: 38px; height: 38px; flex: 0 0 38px; font-size: 16px; border-radius: 10px; }
.auth-title { font-size: 19px; font-weight: 700; letter-spacing: -.015em; }
.auth-sub { color: var(--text-3); font-size: 13px; }
.auth-foot { margin-top: 20px; text-align: center; color: var(--text-3); font-size: 12px; }
.demo-box { background: var(--brand-50); border: 1px solid #d3e5fb; border-radius: var(--radius-sm); padding: 11px 13px; font-size: 12.5px; color: var(--brand-600); margin-bottom: 18px; }
.demo-box code { background: #fff; padding: 1px 6px; border-radius: 5px; border: 1px solid #d3e5fb; }

/* -------------------------------------------------------------- responsive */
@media (max-width: 1180px) {
  .g-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .g-compose, .g-sidebar { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 900px) {
  .g-4, .g-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sidebar { position: fixed; left: 0; top: 0; transform: translateX(-100%); transition: transform .25s ease; box-shadow: var(--shadow-lg); background: #fafafc; }
  .sidebar.open { transform: translateX(0); }
  .menu-btn { display: inline-flex; }
  .content { padding: 16px; }
  .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .kv dd { margin-bottom: 8px; }
}
@media (max-width: 620px) {
  .g-4, .g-3, .g-2 { grid-template-columns: minmax(0, 1fr); }
  .topbar { padding: 0 14px; }
  .toolbar > * { flex: 1 1 100%; }
}
.backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, .35); z-index: 35; display: none; }
.backdrop.show { display: block; }

@media print {
  .sidebar, .topbar, .btn, .toolbar, .pagination { display: none !important; }
  .content { padding: 0; }
  body { background: #fff; }
}