:root {
  --bg: #0F1218;
  --panel: #171B24;
  --panel-2: #1D222D;
  --border: #2A303C;
  --border-soft: #232935;
  --text: #E8EAF0;
  --text-dim: #8A92A3;
  --text-faint: #565F70;

  --accent: #3FD6C0;
  --accent-dim: rgba(63, 214, 192, 0.14);
  --accent-strong: #29B8A4;

  --success: #3ECF8E;
  --success-dim: rgba(62, 207, 142, 0.14);
  --warning: #F0B429;
  --warning-dim: rgba(240, 180, 41, 0.14);
  --danger: #EF5C6E;
  --danger-dim: rgba(239, 92, 110, 0.14);

  --telegram: #4FA6E8;
  --telegram-dim: rgba(79, 166, 232, 0.14);
  --bale: #F2A93B;
  --bale-dim: rgba(242, 169, 59, 0.14);

  --radius: 12px;
  --radius-sm: 8px;

  --font: 'Vazirmatn', Tahoma, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
}

body {
  background-image:
    radial-gradient(circle at 85% -10%, rgba(63, 214, 192, 0.06), transparent 45%),
    radial-gradient(circle at -5% 110%, rgba(79, 166, 232, 0.05), transparent 40%);
}

a { color: inherit; }

::selection { background: var(--accent-dim); color: var(--text); }

/* ---------------- layout ---------------- */

.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--panel);
  border-inline-start: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 22px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.main {
  flex: 1;
  min-width: 0;
  padding: 32px 40px 60px;
}

/* ---------------- brand + signal ---------------- */

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 6px 26px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--border-soft);
}

.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-text strong { font-size: 17px; font-weight: 800; letter-spacing: -0.2px; }
.brand-text small { font-family: var(--font-mono); font-size: 10.5px; color: var(--text-faint); letter-spacing: 0.5px; text-transform: uppercase; }

.signal {
  position: relative;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.signal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px 1px var(--accent-dim);
  z-index: 2;
}
.signal-ring {
  position: absolute;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  opacity: 0;
  animation: pulse-ring 2.6s ease-out infinite;
}
.signal-ring.r1 { width: 34px; height: 34px; animation-delay: 0s; }
.signal-ring.r2 { width: 34px; height: 34px; animation-delay: 1.3s; }
@keyframes pulse-ring {
  0%   { width: 9px; height: 9px; opacity: 0.55; }
  80%  { width: 34px; height: 34px; opacity: 0; }
  100% { width: 34px; height: 34px; opacity: 0; }
}

/* ---------------- nav ---------------- */

.nav {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 18px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14.5px;
  font-weight: 500;
  cursor: pointer;
  text-align: right;
  transition: background 0.15s, color 0.15s;
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.8; }
.nav-item:hover { background: var(--panel-2); color: var(--text); }
.nav-item.active { background: var(--accent-dim); color: var(--accent); }
.nav-item.active svg { opacity: 1; }
.nav-item .count {
  margin-inline-start: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  background: var(--panel-2);
  padding: 1px 7px;
  border-radius: 20px;
}
.nav-item.active .count { color: var(--accent); background: rgba(63,214,192,0.12); }

.sidebar-footer { margin-top: auto; padding-top: 16px; }

.key-box label {
  display: block;
  font-size: 11.5px;
  color: var(--text-faint);
  margin-bottom: 6px;
  font-weight: 600;
}
.key-row { display: flex; gap: 6px; }
.key-row input {
  flex: 1;
  min-width: 0;
  font-family: var(--font-mono);
}

.conn-status {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-faint);
}
.conn-status .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--text-faint);
  flex-shrink: 0;
}
.conn-status.ok .dot { background: var(--success); box-shadow: 0 0 6px var(--success-dim); }
.conn-status.ok #conn-text { color: var(--success); }
.conn-status.bad .dot { background: var(--danger); box-shadow: 0 0 6px var(--danger-dim); }
.conn-status.bad #conn-text { color: var(--danger); }

/* ---------------- view head ---------------- */

.view { display: none; }
.view.active { display: block; animation: fade-in 0.25s ease; }
@keyframes fade-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.view-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}
.view-head h1 { margin: 0 0 4px; font-size: 23px; font-weight: 800; letter-spacing: -0.3px; }
.view-head p { margin: 0; color: var(--text-dim); font-size: 13.5px; }

/* ---------------- buttons ---------------- */

button { font-family: var(--font); cursor: pointer; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #08221E;
  border: none;
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 14px;
  transition: background 0.15s, transform 0.1s;
  white-space: nowrap;
}
.btn-primary svg { width: 16px; height: 16px; }
.btn-primary:hover { background: var(--accent-strong); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-block { width: 100%; justify-content: center; padding: 13px; font-size: 14.5px; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
}
.btn-ghost:hover { border-color: var(--text-faint); color: var(--text); }

.btn-ghost-sm {
  background: transparent;
  border: none;
  color: var(--text-faint);
  font-size: 12px;
  padding: 4px 8px;
}
.btn-ghost-sm:hover { color: var(--text); }

.btn-icon {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 38px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
}
.btn-icon svg { width: 16px; height: 16px; }
.btn-icon:hover { color: var(--accent); border-color: var(--accent); }

.icon-btn-sm {
  background: transparent;
  border: none;
  color: var(--text-faint);
  padding: 5px;
  border-radius: 6px;
  display: flex;
}
.icon-btn-sm svg { width: 15px; height: 15px; }
.icon-btn-sm:hover { color: var(--text); background: var(--panel-2); }
.icon-btn-sm.danger:hover { color: var(--danger); background: var(--danger-dim); }

/* ---------------- panels / forms ---------------- */

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form { display: flex; flex-direction: column; gap: 16px; margin-bottom: 22px; }
.form .grid-2 { margin-bottom: 0; }

.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: 13px; font-weight: 600; color: var(--text-dim); }
.field .optional { font-weight: 400; color: var(--text-faint); font-size: 11.5px; }

input[type="text"], input[type="password"], input[type="url"], textarea, select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14px;
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input.mono { font-family: var(--font-mono); direction: ltr; text-align: right; }
textarea { resize: vertical; min-height: 44px; }

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
input[type="file"] {
  color: var(--text-dim);
  font-size: 13px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-dim);
  cursor: pointer;
}
.checkbox-row input { width: 16px; height: 16px; accent-color: var(--accent); }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 4px;
}

/* segmented control */

.seg {
  display: flex;
  gap: 4px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
}
.seg-item {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 8px 10px;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
}
.seg-item:hover { color: var(--text); }
.seg-item.active { background: var(--accent); color: #08221E; }
.seg-sm .seg-item { flex: none; padding: 6px 14px; font-size: 12.5px; }

/* target checklist */

.target-box { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.target-col h4 { margin: 0 0 8px; font-size: 12px; color: var(--text-faint); font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px; }

.check-list {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-2);
  max-height: 220px;
  overflow-y: auto;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.check-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13.5px;
}
.check-item:hover { background: var(--panel); }
.check-item input { width: 15px; height: 15px; accent-color: var(--accent); flex-shrink: 0; }
.check-item .badge { margin-inline-start: auto; }

.empty-hint { color: var(--text-faint); font-size: 13px; padding: 10px 2px; }

/* badges */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}
.badge.telegram { background: var(--telegram-dim); color: var(--telegram); }
.badge.bale { background: var(--bale-dim); color: var(--bale); }
.badge.on { background: var(--success-dim); color: var(--success); }
.badge.off { background: var(--panel-2); color: var(--text-faint); }

/* ---------------- cards (channels / groups list) ---------------- */

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

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.card-main { flex: 1; min-width: 0; }
.card-title-row { display: flex; align-items: center; gap: 9px; margin-bottom: 4px; flex-wrap: wrap; }
.card-title-row strong { font-size: 14.5px; font-weight: 700; }
.card-sub {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  direction: ltr;
  text-align: right;
}
.card-suffix { font-size: 12px; color: var(--text-dim); margin-top: 5px; }
.card-suffix span { color: var(--text-faint); }

.card-chips { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.chip {
  font-size: 11px;
  color: var(--text-dim);
  background: var(--panel-2);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 20px;
}

.card-actions { display: flex; gap: 4px; flex-shrink: 0; }

/* ---------------- console (send results) ---------------- */

.console { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.console-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.console-body {
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  flex: 1;
  overflow-y: auto;
  max-height: 560px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.console-placeholder { color: var(--text-faint); font-family: var(--font); font-size: 13px; }

.log-line {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 8px 10px;
  border-radius: 7px;
  background: var(--panel-2);
  animation: fade-in 0.2s ease;
}
.log-line .dot {
  width: 8px; height: 8px; border-radius: 50%; margin-top: 4px; flex-shrink: 0;
}
.log-line.pending .dot { background: var(--warning); animation: blink 1s ease-in-out infinite; }
.log-line.ok .dot { background: var(--success); }
.log-line.fail .dot { background: var(--danger); }
@keyframes blink { 50% { opacity: 0.25; } }

.log-body { flex: 1; min-width: 0; }
.log-title { color: var(--text); font-weight: 600; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.log-meta { color: var(--text-faint); font-size: 11px; margin-top: 2px; }
.log-error { color: var(--danger); font-size: 11.5px; margin-top: 4px; word-break: break-word; }
.log-summary {
  font-family: var(--font);
  font-size: 12.5px;
  color: var(--text-dim);
  padding: 6px 10px 2px;
  border-top: 1px dashed var(--border);
  margin-top: 4px;
}

/* ---------------- toasts ---------------- */

#toast-container {
  position: fixed;
  bottom: 22px;
  left: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
}
.toast {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-inline-start: 3px solid var(--accent);
  color: var(--text);
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  min-width: 220px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
  animation: toast-in 0.2s ease;
}
.toast.error { border-inline-start-color: var(--danger); }
.toast.success { border-inline-start-color: var(--success); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------------- responsive ---------------- */

@media (max-width: 980px) {
  .grid-2, .target-box { grid-template-columns: 1fr; }
}

@media (max-width: 800px) {
  .app { flex-direction: column; }
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    border-inline-start: none;
    border-bottom: 1px solid var(--border);
    flex-direction: row;
    align-items: center;
    padding: 14px 16px;
    gap: 18px;
  }
  .brand { border-bottom: none; padding: 0; margin: 0; }
  .nav { flex-direction: row; margin: 0; }
  .nav-item span:not(.count) { display: none; }
  .nav-item .count { display: none; }
  .sidebar-footer { margin: 0 0 0 auto; padding: 0; }
  .key-box { display: flex; align-items: center; gap: 8px; }
  .key-box label { display: none; }
  .key-row { width: 170px; }
  .conn-status { display: none; }
  .main { padding: 20px 16px 60px; }
  .view-head { flex-direction: column; }
  .card { flex-direction: column; align-items: stretch; }
  .card-actions { justify-content: flex-end; }
}

/* focus visibility for accessibility */
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}