/* ── Page layout ─────────────────────────────────────────── */
.config-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
}
.config-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.config-title { font-size: 1.1rem; font-weight: 600; }

/* ── Table ───────────────────────────────────────────────── */
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: .75rem;
  overflow: hidden;
}
.streams-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.streams-table th {
  color: var(--muted);
  font-weight: 500;
  text-align: left;
  padding: .65rem .85rem;
  border-bottom: 1px solid var(--border);
}
.streams-table td {
  padding: .6rem .85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.streams-table tr:last-child td { border-bottom: none; }
.streams-table tr:hover td { background: rgba(255,255,255,.025); }
.mono { font-family: 'Consolas', 'Menlo', monospace; font-size: .8rem; }
.url-cell {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted);
}
.actions-cell { display: flex; gap: .4rem; white-space: nowrap; }
.config-main .empty-state {
  padding: 3rem;
  text-align: center;
  color: var(--muted);
  display: none;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  border: none;
  border-radius: .375rem;
  padding: .45rem 1rem;
  cursor: pointer;
  font-size: .875rem;
  font-weight: 500;
  transition: filter .15s;
  white-space: nowrap;
  line-height: 1.4;
  text-decoration: none;
}
.btn:hover { filter: brightness(1.12); }
.btn:disabled { opacity: .5; cursor: not-allowed; filter: none; }
.btn-primary   { background: var(--blue);   color: #fff; }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-danger    { background: var(--red);    color: #fff; }
.btn-sm  { padding: .3rem .65rem; font-size: .8rem; }
.btn-xs  { padding: .2rem .5rem;  font-size: .75rem; }
.btn-tool { background: var(--border); color: var(--muted); }
.btn-tool.active { background: var(--blue); color: #fff; }
.hidden { display: none !important; }

/* ── Modal overlay ───────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
  backdrop-filter: blur(2px);
}
.modal-overlay.hidden { display: none; }

/* ── Modal dialog box ────────────────────────────────────── */
.modal-dialog {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  width: min(100%, 1020px);
  height: min(calc(100vh - 2rem), 720px);
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0, 0, 0, .55);
  overflow: hidden;
}
.modal-dialog--sm {
  width: min(100%, 440px);
  height: auto;
}

/* ── Modal header ────────────────────────────────────────── */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.modal-header h2 { font-size: 1rem; font-weight: 600; }
.btn-icon-close {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: .1rem .4rem;
  border-radius: .25rem;
  transition: color .15s, background .15s;
}
.btn-icon-close:hover { color: var(--text); background: var(--border); }

/* ── Modal body ──────────────────────────────────────────── */
.modal-body {
  flex: 1 1 0;
  min-height: 0;
  display: grid;
  grid-template-columns: 340px 1fr;
}
.modal-body--pad {
  display: block;
  padding: 1.25rem;
  overflow-y: auto;
}
.modal-body--pad p {
  color: var(--muted);
  font-size: .875rem;
  line-height: 1.6;
}

/* ── Modal footer ────────────────────────────────────────── */
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .75rem;
  padding: .85rem 1.25rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.form-error { color: var(--red); font-size: .82rem; flex: 1; min-width: 0; }

/* ── Form panel (left column) ────────────────────────────── */
.form-panel {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  padding: 1.25rem;
  overflow-y: auto;
  border-right: 1px solid var(--border);
}

.form-group { display: flex; flex-direction: column; gap: .3rem; }
.form-group label {
  font-size: .78rem;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: .02em;
}
.required { color: var(--red); margin-left: .1rem; }

.form-group input[type=text] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: .375rem;
  color: var(--text);
  padding: .5rem .65rem;
  font-size: .875rem;
  width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
.form-group input[type=text]:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,.18);
}
.form-group input:disabled { opacity: .5; cursor: not-allowed; }
.field-hint { font-size: .72rem; color: var(--muted); }

.form-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .85rem;
  align-items: start;
}
.form-group--check { padding-top: 1.6rem; }
.form-group--check label {
  display: flex;
  align-items: center;
  gap: .4rem;
  color: var(--text);
  cursor: pointer;
  font-size: .875rem;
  white-space: nowrap;
}
.form-group--check input[type=checkbox] {
  accent-color: var(--blue);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* ── Zone list ───────────────────────────────────────────── */
.zones-section { margin-top: .25rem; }
.zones-section-title {
  font-size: .7rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding-top: .75rem;
  padding-bottom: .5rem;
  border-top: 1px solid var(--border);
}
.zones-list { display: flex; flex-direction: column; gap: .5rem; }
.no-zones-hint { font-size: .8rem; color: var(--muted); font-style: italic; }

.zone-row {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: .5rem;
  padding: .6rem .75rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.zone-row-header { display: flex; align-items: center; gap: .4rem; }
.zone-color-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.zone-name-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: .3rem;
  color: var(--text);
  padding: .28rem .45rem;
  font-size: .82rem;
  min-width: 0;
}
.zone-name-input:focus { outline: none; border-color: var(--blue); }
.zone-dir-select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: .3rem;
  color: var(--text);
  padding: .28rem .4rem;
  font-size: .82rem;
  cursor: pointer;
}
.zone-classes { display: flex; flex-wrap: wrap; gap: .35rem; }
.cls-label {
  display: flex;
  align-items: center;
  gap: .2rem;
  font-size: .75rem;
  color: var(--muted);
  cursor: pointer;
}
.cls-label input { accent-color: var(--blue); cursor: pointer; }

/* ── Canvas panel (right column) ─────────────────────────── */
.canvas-panel {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: 1rem;
  overflow: hidden;
  min-width: 0;
}

.zone-editor-toolbar {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
  flex-shrink: 0;
}
.tool-group { display: flex; gap: .25rem; margin-left: auto; }

.canvas-wrap {
  position: relative;
  background: #060b14;
  border: 1px solid var(--border);
  border-radius: .5rem;
  overflow: hidden;
  flex: 1 1 0;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
canvas#zone-canvas {
  display: block;
  cursor: crosshair;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.canvas-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: .85rem;
  pointer-events: none;
  background: rgba(0, 0, 0, .5);
  text-align: center;
  padding: 1rem;
}
.canvas-hint.hidden { display: none; }
.zone-editor-tip {
  font-size: .73rem;
  color: var(--muted);
  line-height: 1.55;
  flex-shrink: 0;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 740px) {
  .modal-body {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }
  .form-panel {
    border-right: none;
    border-bottom: 1px solid var(--border);
    overflow-y: visible;
  }
  .canvas-panel {
    min-height: 300px;
  }
  .tool-group { margin-left: 0; }
  .streams-table th:nth-child(3),
  .streams-table td:nth-child(3) { display: none; }
}

@media (max-width: 480px) {
  .config-main { padding: 1rem .75rem; }
  .modal-footer { flex-wrap: wrap; }
  .form-error { flex-basis: 100%; }
}