/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
  --bg: #0F1420;
  --surface: #171E2E;
  --surface-2: #1D2536;
  --border: #2A3348;
  --text: #E8EAF0;
  --text-dim: #8891A8;
  --text-faint: #5B6480;

  --accent: #4F8FE8;
  --accent-dim: #2E4A73;
  --accent-soft: #1C2C42;

  --success: #4CAF7D;
  --success-soft: #1B2E26;
  --warning: #E0A64C;
  --warning-soft: #2E2617;
  --danger: #E0616B;
  --danger-soft: #331E22;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;

  --font-display: 'Vazirmatn', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

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

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ==========================================================================
   Login screen
   ========================================================================== */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 20% 10%, rgba(79,143,232,0.14), transparent 45%),
    var(--bg);
}

.login-card {
  width: min(380px, 90vw);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  text-align: center;
}

.login-mark { margin-bottom: 14px; }

.login-card h1 { font-size: 1.25rem; margin: 0 0 6px; }
.login-sub { color: var(--text-dim); font-size: 0.85rem; margin: 0 0 26px; line-height: 1.6; }

.login-card form { display: flex; flex-direction: column; gap: 14px; text-align: right; }
.login-card label { font-size: 0.82rem; color: var(--text-dim); display: flex; flex-direction: column; gap: 6px; }

input[type="text"], input[type="password"], input[type="number"], input[type="file"], select, textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 0.9rem;
  color: var(--text);
  width: 100%;
}

textarea { resize: vertical; font-family: var(--font-mono); font-size: 0.85rem; line-height: 1.6; }

.form-error {
  color: var(--danger);
  font-size: 0.82rem;
  background: var(--danger-soft);
  border: 1px solid rgba(224,97,107,0.35);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  margin: 4px 0 0;
}

.form-result {
  color: var(--success);
  font-size: 0.82rem;
  background: var(--success-soft);
  border: 1px solid rgba(76,175,125,0.35);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  margin: 10px 0 0;
}

/* ==========================================================================
   App shell
   ========================================================================== */
.shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 230px;
  flex-shrink: 0;
  background: var(--surface);
  border-inline-start: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 22px 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.02rem;
  padding: 0 6px 22px;
}

.nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  text-align: right;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.nav-item:hover { background: var(--surface-2); color: var(--text); }

.nav-item.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.nav-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.55;
  flex-shrink: 0;
}

.nav-item.active .nav-dot { opacity: 1; }

.sidebar-foot { display: flex; flex-direction: column; gap: 10px; }

.conn-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.conn-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-faint); }

.conn-chip.conn-open { color: var(--success); border-color: rgba(76,175,125,0.35); }
.conn-chip.conn-open .conn-dot { background: var(--success); }
.conn-chip.conn-close, .conn-chip.conn-qr { color: var(--warning); border-color: rgba(224,166,76,0.35); }
.conn-chip.conn-close .conn-dot, .conn-chip.conn-qr .conn-dot { background: var(--warning); }

.content {
  flex: 1;
  padding: 30px 40px 60px;
  max-width: 1080px;
}

.view { display: none; }
.view.active { display: block; animation: fadeIn 0.25s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.view-head { margin-bottom: 22px; }
.view-head h1 { margin: 0 0 4px; font-size: 1.4rem; }
.view-sub { margin: 0; color: var(--text-dim); font-size: 0.88rem; }
.view-sub code { background: var(--surface-2); padding: 1px 6px; border-radius: 4px; font-family: var(--font-mono); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s, background 0.15s;
}

.btn-block { width: 100%; }

.btn-primary { background: var(--accent); color: #08111F; }
.btn-primary:hover { filter: brightness(1.08); }

.btn-secondary { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--border); }

.btn-ghost { background: transparent; color: var(--text-dim); border-color: var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-faint); }

.btn-danger-outline { background: transparent; color: var(--danger); border-color: rgba(224,97,107,0.4); }
.btn-danger-outline:hover { background: var(--danger-soft); }

.btn-tiny { padding: 5px 10px; font-size: 0.74rem; border-radius: 6px; }

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-bottom: 18px;
}

.card-title { margin: 0 0 10px; font-size: 0.95rem; }
.card-hint { color: var(--text-dim); font-size: 0.8rem; margin: -4px 0 14px; line-height: 1.7; }
.card-hint code { background: var(--surface-2); padding: 1px 6px; border-radius: 4px; font-family: var(--font-mono); }

/* ==========================================================================
   Dashboard - quota ring (signature element)
   ========================================================================== */
.grid-top {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 18px;
  align-items: stretch;
}

.quota-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.quota-ring-wrap { position: relative; width: 160px; height: 160px; }

.quota-ring { width: 160px; height: 160px; transform: rotate(-90deg); }

.ring-track {
  fill: none;
  stroke: var(--surface-2);
  stroke-width: 10;
}

.ring-progress {
  fill: none;
  stroke: var(--accent);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 376.99;
  stroke-dashoffset: 376.99;
  transition: stroke-dashoffset 0.6s ease;
}

.quota-ring-label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.quota-num { font-family: var(--font-mono); font-size: 1.9rem; font-weight: 600; line-height: 1; }
.quota-slash { color: var(--text-faint); font-family: var(--font-mono); font-size: 1.2rem; margin: 0 2px; }
.quota-total { font-family: var(--font-mono); font-size: 1.1rem; color: var(--text-dim); }
.quota-caption { font-size: 0.72rem; color: var(--text-dim); margin-top: 6px; }

.quota-meta { width: 100%; display: flex; flex-direction: column; gap: 8px; }
.quota-meta-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8rem; color: var(--text-dim);
  border-top: 1px solid var(--border);
  padding-top: 8px;
}

.stat-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: center;
}

.stat-label { font-size: 0.76rem; color: var(--text-dim); }
.stat-num { font-size: 1.6rem; font-weight: 600; }

.eta-text { color: var(--text-dim); font-size: 0.85rem; line-height: 1.8; margin: 0; }
.eta-text strong { color: var(--text); font-family: var(--font-mono); }

/* ==========================================================================
   Contacts
   ========================================================================== */
.import-row, .add-row { display: flex; gap: 10px; }
.import-row input[type="file"] { flex: 1; }
.add-row input { flex: 1; }

.table-toolbar { display: flex; gap: 10px; margin-bottom: 14px; }
.table-toolbar input { flex: 1; }
.table-toolbar select { width: 180px; }

.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
thead th {
  text-align: right;
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.76rem;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
tbody td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:hover { background: var(--surface-2); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
}
.badge-Pending { background: var(--warning-soft); color: var(--warning); }
.badge-Sent { background: var(--accent-soft); color: var(--accent); }
.badge-Replied { background: var(--success-soft); color: var(--success); }
.badge-Blacklisted { background: var(--danger-soft); color: var(--danger); }

.status-select { font-size: 0.76rem; padding: 4px 8px; }

.pager { display: flex; justify-content: center; gap: 8px; margin-top: 16px; }

/* ==========================================================================
   Templates
   ========================================================================== */
.templates-list { display: flex; flex-direction: column; gap: 10px; max-height: 480px; overflow-y: auto; }

.template-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.template-row textarea {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0;
  min-height: 40px;
}

.template-actions { display: flex; flex-direction: column; gap: 6px; align-items: stretch; }

/* ==========================================================================
   Settings
   ========================================================================== */
.field { display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; color: var(--text-dim); margin-bottom: 14px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field-toggle { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; margin-bottom: 18px; }
.field-toggle input { width: auto; }

/* ==========================================================================
   Connection view
   ========================================================================== */
.connection-card { display: flex; flex-direction: column; align-items: center; gap: 20px; text-align: center; padding: 40px 22px; }
.connection-card img { border-radius: var(--radius-md); border: 1px solid var(--border); background: #fff; padding: 10px; }
.conn-status-line { display: flex; align-items: center; gap: 8px; font-size: 0.95rem; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 860px) {
  .shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; align-items: center; padding: 12px 16px; overflow-x: auto; }
  .brand { padding: 0 12px 0 0; }
  .nav { flex-direction: row; flex: none; }
  .sidebar-foot { flex-direction: row; margin-inline-start: auto; }
  .content { padding: 20px; }
  .grid-top { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}