:root {
  --bg: #0f1115;
  --surface: #181b22;
  --surface-2: #21252e;
  --border: #2c313c;
  --text: #e6e9ef;
  --muted: #9099ae;
  --primary: #4f8cff;
  --primary-hover: #6ba0ff;
  --success: #4caf50;
  --warning: #ff9800;
  --danger: #f44336;
  --info: #2196f3;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); text-decoration: underline; }

code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; background: var(--surface-2); padding: 1px 6px; border-radius: 4px; font-size: 0.92em; }
pre { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }

h1 { font-size: 1.6rem; margin: 0; }
h2 { font-size: 1.15rem; margin: 0 0 0.75rem; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

/* Top bar */
.topbar {
  display: flex; align-items: center;
  padding: 0.6rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  gap: 1.5rem; flex-wrap: wrap;
}
.topbar .logo { font-weight: 600; font-size: 1.05rem; color: var(--text); }
.topbar .logo:hover { text-decoration: none; }
.topbar nav { display: flex; gap: 0.25rem; flex: 1; }
.topbar nav a {
  padding: 0.45rem 0.9rem; border-radius: 6px; color: var(--muted);
}
.topbar nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.topbar nav a.active { background: var(--surface-2); color: var(--text); }
.topbar .user { display: flex; align-items: center; gap: 0.75rem; }

/* Layout */
.container {
  max-width: 1200px; margin: 1.5rem auto; padding: 0 1.25rem;
}

.page-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.25rem; gap: 1rem; flex-wrap: wrap;
}

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.card.empty { text-align: center; padding: 2.5rem; color: var(--muted); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

/* Forms */
form.stack > * + * { margin-top: 0.85rem; }
form .row { display: flex; align-items: center; gap: 0.75rem; }
form label { display: block; }
form label span { display: block; margin-bottom: 0.35rem; color: var(--muted); font-size: 0.9rem; }

input[type="text"], input[type="search"], input[type="number"], input[type="datetime-local"],
textarea, select {
  width: 100%; padding: 0.6rem 0.8rem;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  font: inherit;
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--primary); outline-offset: 0; border-color: transparent;
}
textarea { resize: vertical; min-height: 80px; font-family: inherit; }

label.check { display: flex; align-items: center; gap: 0.5rem; cursor: pointer; }

/* Buttons */
.btn {
  display: inline-block; padding: 0.55rem 1rem;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
  border-radius: 8px; cursor: pointer; font: inherit;
  transition: background 0.15s, border 0.15s;
}
.btn:hover { background: var(--border); }
.btn.big { padding: 0.7rem 1.4rem; font-size: 1rem; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn.warning { background: var(--warning); border-color: var(--warning); color: #1a1300; }
.btn.danger  { background: var(--danger);  border-color: var(--danger);  color: #fff; }

.btn-link {
  background: none; border: none; color: var(--primary); cursor: pointer; font: inherit; padding: 0;
}
.btn-link:hover { color: var(--primary-hover); text-decoration: underline; }
.btn-link.danger { color: var(--danger); }

.actions { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; margin-top: 1rem; }

.inline { display: inline-block; }

/* Login */
.login-card {
  max-width: 420px; margin: 6vh auto 1rem; padding: 2.25rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.login-card h1 { margin: 0 0 0.25rem; font-size: 1.4rem; }
.login-card p { margin: 0.25rem 0 1rem; }
.login-card .hint { margin-top: 1.25rem; font-size: 0.88rem; }

/* Alerts */
.alert {
  padding: 0.7rem 1rem; border-radius: 8px; margin-bottom: 1rem;
  border: 1px solid; font-size: 0.95rem;
}
.alert.error { background: rgba(244,67,54,0.12); border-color: rgba(244,67,54,0.4); color: #ffb3ad; }

/* Table */
.table-wrap { overflow-x: auto; }
table.data {
  width: 100%; border-collapse: collapse;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
table.data th, table.data td {
  text-align: left; padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}
table.data th { background: var(--surface-2); color: var(--muted); font-weight: 500; font-size: 0.88rem; }
table.data tr:last-child td { border-bottom: none; }
table.data tr.clickable { cursor: pointer; }
table.data tr.clickable:hover { background: var(--surface-2); }
.text-cell { max-width: 350px; }
.num { white-space: nowrap; }

/* Badges */
.badge {
  display: inline-block; padding: 0.18rem 0.55rem; border-radius: 999px;
  font-size: 0.78rem; font-weight: 500; line-height: 1.4;
  background: var(--surface-2); color: var(--muted);
  white-space: nowrap;
}
.badge.draft, .badge.cancelled { background: #2b303a; color: #b0b8c8; }
.badge.scheduled { background: rgba(33,150,243,0.18); color: #6ec3ff; }
.badge.sending { background: rgba(255,152,0,0.18); color: #ffc46b; }
.badge.done { background: rgba(76,175,80,0.18); color: #8ce28f; }
.badge.done_with_errors { background: rgba(255,152,0,0.18); color: #ffb56b; }
.badge.failed { background: rgba(244,67,54,0.18); color: #ffa3a0; }
.badge.red { background: rgba(244,67,54,0.18); color: #ff8c87; }

/* Composer */
.composer .grid-2 { margin-bottom: 0; }
.composer textarea { min-height: 220px; }

.dropzone {
  margin-top: 0.5rem; border: 2px dashed var(--border); border-radius: 10px;
  padding: 1.25rem; text-align: center; transition: border 0.15s, background 0.15s;
}
.dropzone.drag { border-color: var(--primary); background: rgba(79,140,255,0.08); }
.dropzone p { margin: 0; color: var(--muted); }

.file-list { list-style: none; padding: 0; margin: 0.85rem 0 0; display: flex; flex-wrap: wrap; gap: 0.6rem; }
.file-list li {
  position: relative;
  display: flex; flex-direction: column; align-items: stretch;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 0.4rem; width: 110px;
}
.file-list .thumb {
  width: 100%; height: 80px; object-fit: cover; border-radius: 4px;
  background: var(--bg);
}
.file-list .video-thumb {
  width: 100%; height: 80px; display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; background: var(--bg); border-radius: 4px;
}
.file-list .name { font-size: 0.72rem; margin-top: 0.3rem; word-break: break-all; line-height: 1.2; max-height: 2.4em; overflow: hidden; }
.file-list .remove {
  position: absolute; top: -6px; right: -6px;
  width: 22px; height: 22px; border-radius: 50%; border: none;
  background: var(--danger); color: white; cursor: pointer; font-size: 0.85rem; line-height: 1;
}

/* Chat list */
.search { margin-bottom: 0.5rem; }
.chat-actions { display: flex; gap: 1rem; align-items: center; margin-bottom: 0.5rem; }
.chat-list { list-style: none; padding: 0; margin: 0; max-height: 380px; overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; }
.chat-list li { border-bottom: 1px solid var(--border); }
.chat-list li:last-child { border-bottom: none; }
.chat-list label.chat-row {
  display: flex; align-items: center; gap: 0.65rem;
  padding: 0.55rem 0.8rem; cursor: pointer;
}
.chat-list label.chat-row:hover { background: var(--surface-2); }
.chat-list .chat-title { flex: 1 1 auto; font-weight: 500; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.chat-list .chat-link {
  flex: 0 0 auto;
  color: var(--muted); text-decoration: none;
  padding: 0 0.4rem; font-size: 1rem;
  border-radius: 4px;
}
.chat-list .chat-link:hover { color: var(--primary); background: rgba(79,140,255,0.12); text-decoration: none; }
.chat-list li.hidden { display: none; }
.chat-list .topic-row {
  display: flex; align-items: center; flex-wrap: wrap; gap: 0.6rem 1rem;
  padding: 0.4rem 0.8rem 0.6rem 2.3rem;
  background: rgba(33,150,243,0.06);
  border-top: 1px dashed var(--border);
}
.chat-list .topic-row.hidden { display: none; }
.topic-pick { display: flex; align-items: center; gap: 0.4rem; flex: 1; min-width: 220px; }
.topic-pick select { width: auto; min-width: 200px; }

.remember-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--primary);
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
  transition: background 0.12s, color 0.12s, border 0.12s;
}
.remember-btn:hover:not(:disabled):not(.saved) {
  background: rgba(79,140,255,0.12);
  border-color: var(--primary);
}
.remember-btn.saved {
  color: var(--success);
  background: rgba(76,175,80,0.12);
  border-color: rgba(76,175,80,0.4);
  cursor: default;
}
.remember-btn.error {
  color: var(--danger);
  background: rgba(244,67,54,0.12);
  border-color: rgba(244,67,54,0.4);
}

.empty-chats { text-align: center; padding: 1.5rem 0.5rem; }
.empty-chats p { margin: 0.4rem 0; }
.empty-chats .btn { margin-top: 0.8rem; }

.inline-tiny { display: inline-block; }
.inline-tiny select { min-width: 180px; }

.chat-actions { flex-wrap: wrap; }
.chat-actions .search { flex: 1; min-width: 180px; margin-bottom: 0; }

/* Schedule */
.hidden { display: none !important; }
#schedule-fields { margin-top: 0.7rem; display: flex; flex-direction: column; gap: 0.4rem; max-width: 320px; }

/* Toggle */
.toggle {
  background: var(--surface-2); border: 1px solid var(--border); padding: 0.3rem 0.7rem;
  border-radius: 999px; cursor: pointer; font: inherit; color: var(--text);
}
.toggle.on { background: rgba(76,175,80,0.18); color: #8ce28f; border-color: rgba(76,175,80,0.4); }
.toggle.off { background: var(--surface-2); color: var(--muted); }

/* Telegram-like preview card */
.tg-card {
  background: #1c2330; border: 1px solid var(--border); border-radius: 14px;
  padding: 0.85rem 1rem; max-width: 480px;
}
.tg-text { white-space: pre-wrap; word-wrap: break-word; margin: 0; font-family: inherit; }
.preview-media-wrap { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 0.6rem; }
.preview-media-item { background: var(--bg); border-radius: 8px; padding: 0.5rem 0.75rem; color: var(--muted); font-size: 0.92rem; }

/* Modal */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 100; padding: 1rem;
}
.modal-body {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem; max-width: 520px; width: 100%; max-height: 90vh; overflow-y: auto;
}
.modal-body h2 { margin-bottom: 1rem; }
.modal-body .actions { margin-top: 1rem; }

/* Detail */
.meta { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1rem; margin-top: 1rem; font-size: 0.92rem; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; }

.target-list { list-style: none; padding: 0; margin: 0.5rem 0 0; max-height: 480px; overflow-y: auto; }
.target-list li {
  display: grid; grid-template-columns: 28px 1fr auto; align-items: center;
  padding: 0.5rem 0.65rem; border-bottom: 1px solid var(--border); gap: 0.6rem;
}
.target-list li:last-child { border-bottom: none; }
.target-list .t-icon { font-size: 1rem; text-align: center; }
.target-list li.t-sent .t-icon { color: var(--success); }
.target-list li.t-failed .t-icon { color: var(--danger); }
.target-list li.t-pending .t-icon { color: var(--muted); }
.target-list .t-meta { text-align: right; max-width: 320px; word-break: break-word; }

.ok { color: var(--success); }
.err { color: var(--danger); }

.row-form {
  display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 0.5rem;
}
.row-form input { flex: 1; min-width: 180px; }

.forum-topics {
  margin-top: 0.5rem; padding: 0.6rem 0.8rem;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px;
}
.forum-topics + .forum-topics { margin-top: 0.5rem; }
.forum-topics summary { cursor: pointer; padding: 0.2rem 0; user-select: none; }
.forum-topics summary:hover { color: var(--primary); }
.forum-topics-body { padding-top: 0.65rem; margin-top: 0.5rem; border-top: 1px dashed var(--border); }

.topic-list-mgr { list-style: none; padding: 0; margin: 0 0 0.7rem; }
.topic-list-mgr li {
  display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap;
  padding: 0.4rem 0; border-bottom: 1px dashed var(--border);
}
.topic-list-mgr li:last-child { border-bottom: none; }
.topic-list-mgr .topic-name { flex: 1; min-width: 160px; }

.add-topic input[type="number"] { max-width: 160px; flex: 0 1 160px; }