:root {
  --navy: #1C3564;
  --teal: #21B7CB;
  --ink: #091324;
  --muted: #5A6478;
  --line: #E5E7EB;
  --bg: #F4F6F9;
  --card: #fff;
  --ok: #1B7A4E;
  --ok-bg: #E8F6EE;
  --warn: #9A5B00;
  --warn-bg: #FFF6E5;
  --danger: #A12622;
  --radius: 12px;
  --font: "Cerebri Sans Pro", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: linear-gradient(180deg, #EAF3F7 0%, var(--bg) 180px, var(--bg) 100%);
}

button, input, textarea, select { font: inherit; }

.app-header {
  position: sticky; top: 0; z-index: 20;
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  justify-content: space-between;
  padding: 14px 28px 14px 20px;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.brand { display: flex; flex-direction: column; gap: 2px; }
.brand h1 {
  margin: 0; font-size: 18px; line-height: 1.2; color: var(--navy); font-weight: 800;
}
.brand p { margin: 0; font-size: 12px; color: var(--muted); }
.header-controls {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin-left: auto;
}
.header-controls label {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; color: var(--navy);
}
.header-controls select {
  min-width: 140px; padding: 8px 10px;
  border: 1.5px solid var(--line); border-radius: 999px; background: #fff;
}
.btn-release,
.btn-checkout {
  margin-left: 4px;
  padding: 8px 14px 8px 12px;
}
/* Held / unavailable checkout: gray, not clickable (overrides .btn:disabled wait cursor). */
.btn-checkout:disabled,
.btn-checkout.is-held,
.btn-checkout.is-busy-other {
  background: #E8EAEE;
  color: #8A93A3;
  border: 1.5px solid #D5D9E0;
  opacity: 1;
  cursor: not-allowed;
}
.btn-checkout.btn-approve:not(:disabled) {
  border: 0;
}
.btn-icon {
  flex: 0 0 auto;
  display: block;
}
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 700;
  border: 1px solid var(--line); background: #fff;
}
.pill.ok { background: var(--ok-bg); color: var(--ok); border-color: #B7E0C8; }
.pill.busy { background: var(--warn-bg); color: var(--warn); border-color: #F0D39A; }
.pill.ro { background: #F1F2F4; color: var(--muted); }
.row.is-stale .tr-box:not(.locked) {
  border-color: #F0D39A;
  background: #FFFCF5;
}

.layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 16px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 16px 48px;
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
}

.sidebar {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  height: fit-content;
  position: sticky; top: 78px;
}
.sidebar h2 {
  margin: 0 0 10px; font-size: 12px; letter-spacing: .04em;
  text-transform: uppercase; color: var(--muted);
}
.mod-list { display: flex; flex-direction: column; gap: 6px; }
.mod-btn {
  text-align: left; border: 1.5px solid var(--line); background: #fff;
  border-radius: 10px; padding: 10px 12px; cursor: pointer; color: var(--navy);
}
.mod-btn:hover { border-color: var(--teal); }
.mod-btn.active {
  border-color: var(--navy); background: #EEF3FB; font-weight: 700;
}
.mod-btn .meta {
  display: block; margin-top: 3px; font-size: 11px; color: var(--muted); font-weight: 600;
}
.sidebar-note {
  margin: 14px 0 0;
  padding: 10px 12px;
  border: 1.5px solid #F0C4C2;
  border-radius: 10px;
  background: #FFF5F4;
  font-size: 12.5px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
}
.sidebar-note code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--danger);
  background: transparent;
}

.main { min-width: 0; }
.toolbar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.toolbar .stats { font-size: 13px; color: var(--muted); font-weight: 600; }
.search {
  flex: 1 1 220px; max-width: 320px;
  padding: 9px 12px; border-radius: 999px;
  border: 1.5px solid var(--line); background: #fff;
}

.widget-block {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
}
.widget-block > header {
  padding: 12px 14px;
  background: #F8FAFC;
  border-bottom: 1px solid var(--line);
  font-weight: 800; color: var(--navy); font-size: 14px;
}

.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 148px;
  gap: 12px;
  padding: 12px 14px;
  border-top: 1px solid #EEF0F3;
  align-items: start;
}
.row:first-of-type { border-top: 0; }
@media (max-width: 900px) {
  .row { grid-template-columns: 1fr; }
}

.key {
  grid-column: 1 / -1;
  font-size: 11px; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  word-break: break-all;
}
.note {
  grid-column: 1 / -1;
  margin: -4px 0 0; font-size: 12px; color: var(--muted);
}
.panel-label {
  font-size: 11px; font-weight: 800; letter-spacing: .03em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 6px;
}
.en-box, .tr-box {
  width: 100%; min-height: 72px; padding: 10px 12px;
  border-radius: 10px; border: 1.5px solid var(--line);
  background: #F7F8FA; color: var(--ink);
  white-space: pre-wrap; word-break: break-word; font-size: 14px; line-height: 1.45;
}
.tr-box.editable {
  background: #fff; border-color: var(--navy); outline: none;
  resize: vertical; min-height: 96px;
}
.tr-box.locked {
  background: var(--ok-bg); border-color: #B7E0C8;
}
.actions { display: flex; flex-direction: column; gap: 8px; }
.btn {
  border: 0; border-radius: 999px; padding: 9px 12px; cursor: pointer;
  font-weight: 700; font-size: 13px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn:disabled { opacity: .7; cursor: wait; }
.btn.is-busy { opacity: 1; cursor: wait; }
.btn-approve { background: var(--navy); color: #fff; }
.btn-edit { background: #EEF3FB; color: var(--navy); }
.btn-ghost {
  background: #fff; color: var(--navy);
  border: 1.5px solid #C5D0E6;
}
.btn-ghost:hover { background: #EEF3FB; border-color: var(--navy); }
.btn-save { background: var(--teal); color: #091324; }
.btn-cancel { background: #F1F2F4; color: var(--ink); }
.btn-unlock { background: #fff; color: var(--danger); border: 1.5px solid #E7B4B2; }

/* Rubber-stamp approval mark (by + at). */
.approval-stamp {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 2px solid #1B7A4E;
  background:
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 6px,
      rgba(27, 122, 78, 0.04) 6px,
      rgba(27, 122, 78, 0.04) 7px
    ),
    var(--ok-bg);
  box-shadow: inset 0 0 0 1px rgba(27, 122, 78, 0.15);
  transform: rotate(-1.5deg);
  user-select: none;
}
.approval-stamp-mark {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ok);
  line-height: 1.2;
}
.approval-stamp-meta {
  display: flex;
  flex-direction: column;
  gap: 1px;
  font-size: 11px;
  font-weight: 600;
  color: #2F6B4A;
  line-height: 1.35;
}
.approval-stamp-by { word-break: break-word; }
.approval-stamp-at { opacity: 0.85; font-weight: 500; }
.btn-stamp-unapprove {
  margin-top: 4px;
  align-self: flex-start;
  border: 0;
  background: transparent;
  padding: 2px 0;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  color: var(--danger);
  text-decoration: underline;
  text-underline-offset: 2px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-stamp-unapprove:hover { color: #7A1A18; }
.btn-stamp-unapprove:disabled,
.btn-stamp-unapprove.is-busy {
  opacity: 0.65;
  cursor: wait;
  text-decoration: none;
}

.btn-spinner {
  width: 12px; height: 12px; flex: 0 0 12px;
  border: 2px solid currentColor; border-right-color: transparent;
  border-radius: 50%;
  animation: btn-spin .7s linear infinite;
}
@keyframes btn-spin { to { transform: rotate(360deg); } }

.row.is-pending { background: #F8FBFD; }
.tr-box.editable.is-busy {
  opacity: .75; cursor: wait; background: #F7F8FA;
}

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(9,19,36,.45);
  display: grid; place-items: center; z-index: 50; padding: 16px;
}
/* display:grid above beats the UA [hidden] rule — force dismiss */
.modal-backdrop[hidden] { display: none !important; }
.modal {
  width: min(440px, 100%);
  background: #fff; border-radius: 16px; padding: 22px;
  box-shadow: 0 20px 50px rgba(9,19,36,.2);
}
.modal h2 { margin: 0 0 8px; color: var(--navy); font-size: 20px; }
.modal p { margin: 0 0 14px; color: var(--muted); font-size: 14px; line-height: 1.45; }
.modal input {
  width: 100%; padding: 11px 12px; border-radius: 10px;
  border: 1.5px solid var(--line); margin-bottom: 12px;
}
.modal .row-actions { display: flex; gap: 8px; justify-content: flex-end; }
.toast {
  position: fixed; right: 16px; bottom: 16px; z-index: 60;
  background: var(--navy); color: #fff; padding: 10px 14px;
  border-radius: 999px; font-size: 13px; font-weight: 700;
  opacity: 0; transform: translateY(8px); transition: .2s; pointer-events: none;
}
.toast.show { opacity: 1; transform: none; }
.toast.ok { background: var(--ok); }
.toast.error { background: var(--danger); }
.empty {
  padding: 28px; text-align: center; color: var(--muted);
  border: 1px dashed var(--line); border-radius: var(--radius); background: #fff;
}
.banner {
  margin-bottom: 12px; padding: 10px 12px; border-radius: 10px;
  background: var(--warn-bg); border: 1px solid #F0D39A; color: var(--warn);
  font-size: 13px; font-weight: 700;
}
.banner.ok { background: var(--ok-bg); border-color: #B7E0C8; color: var(--ok); }

/* Render free-tier cold start — hard to miss, sits under sticky header */
.wake-banner {
  position: sticky; top: 64px; z-index: 19;
  margin: 0; padding: 14px 16px;
  background: linear-gradient(90deg, #FFF6E5 0%, #EAF7FA 100%);
  border-bottom: 2px solid #F0D39A;
  box-shadow: 0 4px 14px rgba(28, 53, 100, 0.08);
}
.wake-banner.is-failed {
  background: #FDF0EF;
  border-bottom-color: #E8B4B2;
}
.wake-banner-inner {
  display: flex; align-items: flex-start; gap: 14px;
  max-width: 1280px; margin: 0 auto;
}
.wake-banner-copy { min-width: 0; }
.wake-banner-copy strong {
  display: block; font-size: 15px; font-weight: 800;
  color: var(--navy); line-height: 1.3;
}
.wake-banner.is-failed .wake-banner-copy strong { color: var(--danger); }
.wake-banner-copy p {
  margin: 4px 0 0; font-size: 14px; font-weight: 600;
  color: var(--warn); line-height: 1.4;
}
.wake-banner.is-failed .wake-banner-copy p { color: var(--danger); }
.wake-spinner {
  flex: 0 0 auto; width: 22px; height: 22px; margin-top: 2px;
  border: 3px solid rgba(33, 183, 203, 0.25);
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: btn-spin 0.8s linear infinite;
}
.wake-banner.is-failed .wake-spinner { display: none; }