/* WhatsApp 廣播主控板 */
:root {
  --bg: #eef2f5;
  --card: #ffffff;
  --ink: #111b21;
  --muted: #667781;
  --line: #d9e1e7;
  --green: #128c7e;
  --green-strong: #075e54;
  --green-light: #e7f8f4;
  --amber: #b7791f;
  --amber-light: #fdf3e3;
  --red: #c0392b;
  --red-light: #fdecea;
  --gray-chip: #eef2f5;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, "Segoe UI", "Microsoft JhengHei", "Noto Sans HK", sans-serif;
  font-size: 14px;
  line-height: 1.55;
}

/* ---------- 頂欄 ---------- */
.topbar { background: #111b21; color: #fff; }
.topbar-inner {
  max-width: 1120px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: #25d366; box-shadow: 0 0 10px #25d366; }
.brand h1 { margin: 0; font-size: 18px; }
.brand p { margin: 0; font-size: 12px; color: #aebac1; }
.topbar-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badge {
  font-size: 12px; padding: 3px 10px; border-radius: 999px;
  background: rgba(255,255,255,.12); color: #d1d7db;
}
.badge-outline { background: transparent; border: 1px solid rgba(255,255,255,.35); }

/* ---------- 版面 ---------- */
.layout { max-width: 1120px; margin: 20px auto 60px; padding: 0 20px; display: grid; gap: 16px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 20px; box-shadow: 0 1px 2px rgba(17,27,33,.05);
}
.card h2 { margin: 0 0 14px; font-size: 16px; display: flex; align-items: center; gap: 10px; }
.card h2 .hint { font-size: 12px; font-weight: 400; color: var(--muted); }
.step {
  width: 24px; height: 24px; border-radius: 50%; background: var(--green-strong); color: #fff;
  display: inline-flex; align-items: center; justify-content: center; font-size: 13px; flex: none;
}

.muted { color: var(--muted); font-size: 12.5px; }
code { font-family: var(--mono); background: var(--gray-chip); padding: 1px 5px; border-radius: 4px; }

/* ---------- 表單 ---------- */
input[type="text"], input[type="password"], input[type="number"], select, textarea {
  font: inherit; color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; background: #fff;
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(18,140,126,.35); border-color: var(--green); }
textarea { resize: vertical; font-family: inherit; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: #3b4a54; }
.block-label { display: block; margin-top: 10px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
@media (max-width: 900px) { .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: 1fr; } }

.row-actions { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }

/* ---------- 按鈕 ---------- */
.btn {
  font: inherit; font-weight: 500; cursor: pointer;
  border: 1px solid var(--line); border-radius: 8px; padding: 7px 16px;
  background: #fff; color: var(--ink);
}
.btn:hover:not(:disabled) { border-color: #b6c4cd; background: #f6f9fa; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--green); border-color: var(--green); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--green-strong); border-color: var(--green-strong); }
.btn-danger { color: var(--red); border-color: #e6b0aa; }
.btn-danger:hover:not(:disabled) { background: var(--red-light); border-color: var(--red); }
.btn-sm { padding: 4px 10px; font-size: 12.5px; }

/* ---------- 提示框 ---------- */
.callout {
  margin-top: 12px; padding: 10px 14px; border-radius: 10px; font-size: 13px;
  background: var(--gray-chip); border: 1px solid var(--line); word-break: break-word;
}
.callout.ok { background: var(--green-light); border-color: #9ad9cd; }
.callout.err { background: var(--red-light); border-color: #eeb6ae; }

/* ---------- 拖放區 ---------- */
.dropzone {
  border: 2px dashed var(--line); border-radius: 12px; padding: 24px;
  text-align: center; color: var(--muted); transition: border-color .15s, background .15s;
}
.dropzone.dragover { border-color: var(--green); background: var(--green-light); }
.dropzone p { margin: 6px 0; }

/* ---------- 映射 ---------- */
.mapping { margin-top: 14px; }

/* ---------- 表格 ---------- */
.table-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.table-toolbar .row-actions { margin-top: 0; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
thead th {
  position: sticky; top: 0; background: #f6f9fa; text-align: left;
  padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; font-weight: 600;
}
tbody td { padding: 7px 10px; border-bottom: 1px solid #edf1f4; vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
tbody tr.row-sent-this-session { background: #f4fbf8; }
tbody tr.row-invalid { color: #99a5ab; }
.col-ck, .col-no { width: 34px; text-align: center; }
.mono { font-family: var(--mono); font-size: 12.5px; }
.cell-name { max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- 狀態 chips ---------- */
.chip-status {
  display: inline-block; font-size: 12px; padding: 2px 9px; border-radius: 999px; white-space: nowrap;
}
.chip-pending { background: var(--gray-chip); color: var(--muted); }
.chip-file-sent { background: var(--gray-chip); color: var(--muted); }
.chip-sending { background: #e8f0fe; color: #1a56c4; }
.chip-sent { background: var(--green-light); color: var(--green-strong); }
.chip-dry { background: #eef0fb; color: #4c53c2; }
.chip-failed { background: var(--red-light); color: var(--red); }
.chip-warn { background: var(--amber-light); color: var(--amber); }
.chip-wa-ok { background: var(--green-light); color: var(--green-strong); }
.chip-wa-bad { background: var(--red-light); color: var(--red); }
.err-detail { display: block; font-size: 11.5px; color: var(--red); margin-top: 3px; max-width: 260px; white-space: normal; }

/* ---------- 訊息 composer ---------- */
.mode-toggle { display: flex; gap: 10px; margin-bottom: 12px; }
.radio-pill {
  flex-direction: row; align-items: center; gap: 6px; cursor: pointer;
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 14px; font-size: 13px;
}
.radio-pill:has(input:checked) { border-color: var(--green); background: var(--green-light); color: var(--green-strong); font-weight: 500; }

.ph-chips { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
button.chip { font-family: var(--mono); font-size: 12px; padding: 2px 8px; border-radius: 6px; background: var(--gray-chip); border: 1px solid var(--line); cursor: pointer; }
button.chip:hover { border-color: var(--green); color: var(--green-strong); }

.preview-box {
  margin-top: 10px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
}
.preview-label {
  font-size: 12px; color: var(--muted); padding: 5px 12px; background: #f6f9fa; border-bottom: 1px solid var(--line);
}
.preview-body { padding: 10px 12px; white-space: pre-wrap; word-break: break-word; font-size: 13.5px; }
.preview-body:not(.muted) { background: #dcf8c6; }

#ta-message { margin-top: 4px; }

/* ---------- 發送 ---------- */
.send-controls { display: flex; align-items: end; gap: 18px; flex-wrap: wrap; }
.send-controls label { flex-direction: column; }
.send-controls input#delay { width: 90px; }
.checkbox-label { flex-direction: row; align-items: center; gap: 7px; padding-bottom: 8px; }
.checkbox-label input { width: auto; }
.send-buttons { margin-top: 0; padding-bottom: 2px; }

.progress-wrap { margin-top: 14px; }
.progress { height: 8px; border-radius: 999px; background: var(--gray-chip); overflow: hidden; }
#progress-fill { height: 100%; width: 0%; background: var(--green); border-radius: 999px; transition: width .2s; }

.log-panel { margin-top: 14px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.log-list { max-height: 220px; overflow-y: auto; padding: 8px 12px; font-family: var(--mono); font-size: 12px; }
.log-line { padding: 2px 0; border-bottom: 1px dashed #edf1f4; word-break: break-word; }
.log-line.ok { color: var(--green-strong); }
.log-line.err { color: var(--red); }
.log-line.info { color: var(--muted); }

/* ---------- 頁腳 ---------- */
.footer { color: var(--muted); font-size: 12.5px; text-align: center; }