/* Phase 22 shared design for the 4 internal ops pages. Deliberately plain and
   dense, not decorative -- built for scanning 100+ rows/day, not for looks. */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 14px/1.4 -apple-system, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

:root {
  --bg: #f4f5f7;
  --text: #1a1d21;
  --line: #d9dce1;
  --panel: #ffffff;
  --muted: #6b7280;
  --accent: #2456d6;
  --accent-ink: #ffffff;
  --ok: #1a7f37;
  --ok-bg: #e6f6ea;
  --warn: #9a6700;
  --warn-bg: #fff3cf;
  --err: #c0282d;
  --err-bg: #fbe4e4;
  --info: #205493;
  --info-bg: #e3edfa;
  --hover: #f0f2f5;
}

:root[data-theme="dark"] {
  --bg: #16181c;
  --text: #e4e6eb;
  --line: #33363c;
  --panel: #1f2126;
  --muted: #9a9fa6;
  --accent: #5b8dfb;
  --accent-ink: #0b0d10;
  --ok: #3ddc6f;
  --ok-bg: #123a22;
  --warn: #e3b341;
  --warn-bg: #3a2f0c;
  --err: #ff6b6b;
  --err-bg: #3a1414;
  --info: #6fa8ff;
  --info-bg: #122a44;
  --hover: #292c32;
}

a { color: var(--accent); }

/* ---- Layout shell ---- */
.app-shell { display: flex; flex-direction: column; height: 100vh; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 16px; background: #14161a; color: #fff; flex: 0 0 auto;
}
.topbar .title { font-weight: 600; font-size: 15px; }
.topbar .who { display: flex; align-items: center; gap: 10px; font-size: 13px; color: #cfd3da; }
.topbar button.linklike { background: none; border: 0; color: #cfd3da; cursor: pointer; text-decoration: underline; font-size: 13px; }

.body-row { flex: 1 1 auto; display: flex; min-height: 0; }
.col-list { flex: 0 0 420px; border-right: 1px solid var(--line); background: var(--panel); display: flex; flex-direction: column; min-height: 0; }
.col-detail { flex: 1 1 auto; overflow-y: auto; padding: 16px 20px; }

.list-toolbar { padding: 10px 12px; border-bottom: 1px solid var(--line); display: flex; gap: 8px; flex-wrap: wrap; }
.list-toolbar input, .list-toolbar select {
  font: inherit; padding: 6px 8px; border: 1px solid var(--line); border-radius: 4px; background: var(--panel); color: var(--text);
}
.list-scroll { flex: 1 1 auto; overflow-y: auto; }

.row-item {
  padding: 10px 12px; border-bottom: 1px solid var(--line); cursor: pointer; display: flex; flex-direction: column; gap: 3px;
}
.row-item:hover { background: var(--hover); }
.row-item.active { background: var(--info-bg); border-left: 3px solid var(--accent); }
.row-item .ref { font-weight: 600; font-size: 13px; }
.row-item .meta { font-size: 12px; color: var(--muted); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.empty-state { padding: 24px; text-align: center; color: var(--muted); }

/* ---- Badges / pills ---- */
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; background: var(--hover); color: var(--text); }
.badge.st-ok { background: var(--ok-bg); color: var(--ok); }
.badge.st-warn { background: var(--warn-bg); color: var(--warn); }
.badge.st-err { background: var(--err-bg); color: var(--err); }
.badge.st-info { background: var(--info-bg); color: var(--info); }

/* ---- Buttons ---- */
button { font: inherit; cursor: pointer; }
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 4px;
  border: 1px solid var(--line); background: var(--panel); color: var(--text); font-size: 13px; font-weight: 500;
}
.btn:hover { background: var(--hover); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { opacity: .9; }
.btn-danger { background: var(--err); border-color: var(--err); color: #fff; }
.btn-danger:hover { opacity: .9; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

/* ---- Forms ---- */
label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin: 10px 0 4px; }
input[type=text], input[type=email], input[type=password], input[type=number], textarea, select {
  width: 100%; font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 4px; background: var(--panel); color: var(--text);
}
textarea { resize: vertical; min-height: 80px; }

/* ---- Tables (Admin analytics: deliberately plain/Excel-like) ---- */
table.plain { width: 100%; border-collapse: collapse; font-size: 13px; }
table.plain th, table.plain td { padding: 6px 10px; border-bottom: 1px solid var(--line); text-align: left; }
table.plain th { background: var(--hover); font-weight: 600; position: sticky; top: 0; }
table.plain tr:hover td { background: var(--hover); }

/* ---- Timeline ---- */
.timeline { display: flex; flex-direction: column; gap: 0; margin-top: 10px; }
.timeline-item { padding: 10px 0; border-bottom: 1px solid var(--line); }
.timeline-item:last-child { border-bottom: none; }
.timeline-item .tl-head { display: flex; justify-content: space-between; font-size: 13px; font-weight: 600; }
.timeline-item .tl-meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.timeline-item .tl-note { margin-top: 6px; font-size: 13px; white-space: pre-wrap; background: var(--hover); border: 1px solid var(--line); border-radius: 4px; padding: 8px 10px; }
.timeline-item .tl-files { margin-top: 6px; font-size: 12px; }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 1000;
}
.modal {
  background: var(--panel); color: var(--text); border-radius: 6px; padding: 20px; width: 480px; max-width: calc(100vw - 32px);
  max-height: calc(100vh - 32px); overflow-y: auto; box-shadow: 0 10px 40px rgba(0,0,0,.25);
}
.modal h3 { margin: 0 0 12px; font-size: 16px; }

/* ---- Toast ---- */
.toast {
  background: #1a1d21; color: #fff; padding: 10px 14px; border-radius: 4px; font-size: 13px;
  box-shadow: 0 4px 14px rgba(0,0,0,.25); transition: opacity .3s; max-width: 320px;
}
.toast-error { background: var(--err); }
.toast-success { background: var(--ok); }

/* ---- Login ---- */
.login-wrap { display: flex; align-items: center; justify-content: center; height: 100vh; background: var(--bg); }
.login-box { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 28px; width: 340px; }
.login-box h1 { font-size: 18px; margin: 0 0 4px; }
.login-box .sub { color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.err-text { color: var(--err); font-size: 13px; margin-top: 10px; }

/* ---- KPI cards (Admin) ---- */
.kpi-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.kpi-card { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 12px 16px; min-width: 140px; }
.kpi-card .num { font-size: 22px; font-weight: 700; }
.kpi-card .label { font-size: 12px; color: var(--muted); }

/* ---- Chat (Support Agent + Admin read-only viewer) ---- */
.chat-scroll { flex: 1 1 auto; overflow-y: auto; padding: 12px 16px; display: flex; flex-direction: column; gap: 8px; }
.msg { max-width: 70%; padding: 8px 12px; border-radius: 10px; font-size: 13px; }
.msg.customer { align-self: flex-start; background: var(--hover); }
.msg.agent { align-self: flex-end; background: var(--info-bg); }
.msg .msg-meta { font-size: 11px; color: var(--muted); margin-top: 3px; }
.composer { display: flex; gap: 8px; padding: 10px 16px; border-top: 1px solid var(--line); }
.composer textarea { flex: 1 1 auto; min-height: 38px; }

.hidden { display: none !important; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); padding: 0 16px; background: var(--panel); }
.tab-btn { padding: 10px 14px; border: none; background: none; font: inherit; font-weight: 500; color: var(--muted); border-bottom: 2px solid transparent; }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.pager { display: flex; gap: 8px; align-items: center; padding: 10px 12px; font-size: 13px; color: var(--muted); }