:root {
  --bg: #10141c;
  --card: #171e2a;
  --border: #26303f;
  --text: #e2e8f0;
  --muted: #8b98ab;
  --accent: #6ea8fe;
  --accent-dark: #3b76d6;
  --danger: #e5636f;
  --ok: #58c98b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.2em; margin-top: 8px; }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 340px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.login-card h1 { margin: 0; color: var(--accent); font-size: 22px; }
.login-card p { margin: 0; }

header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; }
header h1 { font-size: 18px; margin: 0; color: var(--accent); }

nav { display: flex; gap: 4px; flex: 1; }
.tab {
  background: none;
  border: none;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px;
}
.tab:hover { color: var(--text); background: #1d2635; }
.tab.active { color: var(--text); background: #24314a; }

.badge {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.badge.on { color: var(--ok); border-color: var(--ok); }
.badge.off { color: var(--danger); border-color: var(--danger); }

main { padding: 24px; max-width: 1100px; margin: 0 auto; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.stats { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 18px;
  min-width: 130px;
}
.stat b { display: block; font-size: 22px; color: var(--accent); }
.stat span { color: var(--muted); font-size: 13px; }

.form { max-width: 560px; }
.form label { display: block; margin-bottom: 14px; color: var(--muted); font-size: 13px; }

/* Все элементы ввода — в едином тёмном стиле */
input, textarea, select {
  background: #0f1520;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 15px;
  font-family: inherit;
}
input::placeholder, textarea::placeholder { color: #5d6b80; }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}
.form label input, .form label textarea, .form label select {
  display: block;
  width: 100%;
  margin-top: 5px;
}

/* Кнопка выбора файла */
input[type=file] {
  color: var(--muted);
  font-size: 13px;
  padding: 6px 8px;
  max-width: 100%;
}
input[type=file]::file-selector-button {
  background: var(--accent-dark);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  margin-right: 12px;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
}
input[type=file]::file-selector-button:hover { background: var(--accent); }
.form-footer { display: flex; align-items: center; gap: 12px; }

.row-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.row-form input { flex: 1; min-width: 140px; }

button {
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 15px;
  cursor: pointer;
  background: #24314a;
  color: var(--text);
}
button.primary { background: var(--accent-dark); color: #fff; }
button.primary:hover { background: var(--accent); }
button.ghost { background: none; border: 1px solid var(--border); color: var(--muted); }
button.ghost:hover { color: var(--text); }
button.danger { background: none; border: 1px solid var(--danger); color: var(--danger); padding: 4px 10px; font-size: 13px; }
button.small { padding: 4px 10px; font-size: 13px; border: 1px solid var(--border); background: none; color: var(--muted); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 13px; }
td { word-break: break-word; }
td .slug { color: var(--accent); font-family: ui-monospace, monospace; font-size: 13px; }
td.actions { white-space: nowrap; text-align: right; }

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--ok);
  padding: 14px 20px;
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,.5);
}
.toast.err { border-left-color: var(--danger); }

.img-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 5px; }
#send-image-preview { max-height: 90px; max-width: 160px; border-radius: 8px; border: 1px solid var(--border); }
td img.thumb { max-height: 42px; max-width: 90px; border-radius: 5px; display: block; }
td .chan-icon { font-size: 17px; }

/* Модальное окно */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 14, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}
.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  width: 420px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 32px);
  overflow: auto;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
}
.modal h2 { margin: 0 0 16px; font-size: 18px; }
.modal label {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 13px;
}
.modal label input {
  display: block;
  width: 100%;
  margin-top: 5px;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 6px;
}