:root {
  --bg: #eef1f6;
  --panel: #ffffff;
  --panel-2: #f7f9fc;
  --ink: #16202e;
  --ink-2: #5a6a80;
  --ink-3: #8695a8;
  --line: #dbe2ec;
  --accent: #1f3864;
  --accent-2: #2f5597;
  --accent-soft: #e8edf7;
  --ok: #157347;
  --ok-soft: #e3f3ea;
  --warn: #9a6300;
  --warn-soft: #fdf3dd;
  --err: #b02a37;
  --err-soft: #fbe9ea;
  --run: #0a58ca;
  --run-soft: #e5eefc;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(22, 32, 46, .06), 0 6px 20px rgba(22, 32, 46, .06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 "Segoe UI", system-ui, -apple-system, sans-serif;
}

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

/* ------------------------------- top bar -------------------------------- */

header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 12px rgba(22, 32, 46, .18);
}

.bar {
  max-width: 1500px;
  margin: 0 auto;
  padding: 12px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.brand {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .3px;
  margin-right: 4px;
  white-space: nowrap;
}

.brand span { opacity: .65; font-weight: 400; font-size: 13px; margin-left: 8px; }

.bar input.title-input,
.bar input.period-input {
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .25);
  color: #fff;
  border-radius: 8px;
  padding: 7px 11px;
}
.bar input.title-input { width: 250px; font-weight: 600; }
.bar input.period-input { width: 170px; }
.bar input::placeholder { color: rgba(255, 255, 255, .55); }
.bar input:focus { outline: 2px solid rgba(255, 255, 255, .55); outline-offset: 1px; }

.bar .spacer { flex: 1; }

/* ------------------------------- buttons -------------------------------- */

.btn {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  border-radius: 8px;
  padding: 8px 14px;
  font-weight: 600;
  font-size: 14px;
  transition: background .12s, border-color .12s, transform .05s;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { background: var(--panel-2); border-color: #c2ccdb; }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary { background: var(--accent-2); border-color: var(--accent-2); color: #fff; }
.btn-primary:hover:not(:disabled) { background: #26497f; border-color: #26497f; }

.btn-ghost {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .3);
  color: #fff;
}
.btn-ghost:hover:not(:disabled) { background: rgba(255, 255, 255, .22); border-color: rgba(255, 255, 255, .45); }

.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-danger { color: var(--err); border-color: #f0c4c8; }
.btn-danger:hover:not(:disabled) { background: var(--err-soft); border-color: #e2a5ab; }

/* -------------------------------- layout -------------------------------- */

main { max-width: 1500px; margin: 0 auto; padding: 22px; }

.section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 4px 0 14px;
}
.section-head h2 { margin: 0; font-size: 16px; letter-spacing: .2px; }
.section-head .count { color: var(--ink-3); font-size: 13px; font-weight: 500; }
.section-head .spacer { flex: 1; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 18px;
  align-items: start;
}

/* ---------------------------- department card --------------------------- */

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card.is-running { border-color: #a9c6f5; box-shadow: 0 0 0 3px var(--run-soft), var(--shadow); }
.card.is-done { border-color: #a9d8bf; }
.card.is-error { border-color: #eda9b0; }

.card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
}

.order-input {
  width: 46px;
  text-align: center;
  font-weight: 700;
  font-size: 16px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid #c8d5ea;
  border-radius: 8px;
  padding: 6px 2px;
  flex: none;
}

.name-input {
  flex: 1;
  min-width: 0;
  font-weight: 650;
  font-size: 15px;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 7px;
  padding: 6px 8px;
}
.name-input:hover { background: #fff; border-color: var(--line); }
.name-input:focus { background: #fff; border-color: var(--accent-2); outline: none; }

.provider-select {
  flex: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 7px;
  padding: 6px 8px;
  font-size: 13px;
  font-weight: 600;
}

.icon-btn {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 7px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-3);
  font-size: 17px;
  line-height: 1;
  display: grid;
  place-items: center;
}
.icon-btn:hover { background: var(--err-soft); color: var(--err); border-color: #f0c4c8; }

.card-body { padding: 14px; display: flex; flex-direction: column; gap: 12px; }

/* --------------------------------- drop --------------------------------- */

.drop {
  border: 2px dashed #c6d0e0;
  border-radius: 10px;
  background: var(--panel-2);
  padding: 18px 14px;
  text-align: center;
  color: var(--ink-2);
  transition: border-color .12s, background .12s;
}
.drop:hover { border-color: var(--accent-2); background: #f2f6fd; }
.drop.dragging { border-color: var(--accent-2); background: var(--accent-soft); color: var(--accent); }
.drop strong { display: block; font-size: 14px; color: var(--ink); margin-bottom: 3px; }
.drop small { font-size: 12px; color: var(--ink-3); }
.drop .link { color: var(--accent-2); text-decoration: underline; cursor: pointer; }

.files { display: flex; flex-direction: column; gap: 5px; }

.file {
  display: flex;
  align-items: center;
  gap: 9px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 9px;
  font-size: 13px;
}
.file .fname { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file .fsize { color: var(--ink-3); font-size: 12px; flex: none; }
.file .fx {
  flex: none; border: none; background: transparent; color: var(--ink-3);
  font-size: 15px; line-height: 1; padding: 2px 4px; border-radius: 5px;
}
.file .fx:hover { background: var(--err-soft); color: var(--err); }

/* -------------------------------- status -------------------------------- */

.row { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .3px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
}
.pill-idle { background: #eceff4; color: var(--ink-2); }
.pill-running { background: var(--run-soft); color: var(--run); }
.pill-done { background: var(--ok-soft); color: var(--ok); }
.pill-error { background: var(--err-soft); color: var(--err); }

.spin {
  width: 11px; height: 11px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.msg { font-size: 13px; border-radius: 8px; padding: 9px 11px; }
.msg-error { background: var(--err-soft); color: var(--err); border: 1px solid #f0c4c8; }
.msg-warn { background: var(--warn-soft); color: var(--warn); border: 1px solid #f0dcae; }
.msg ul { margin: 5px 0 0; padding-left: 18px; }

/* ------------------------------- summary -------------------------------- */

.summary {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
  padding: 12px 14px;
  max-height: 460px;
  overflow: auto;
  font-size: 14px;
}
.summary > :first-child { margin-top: 0; }
.summary > :last-child { margin-bottom: 0; }
.summary p { margin: 0 0 10px; }
.summary h1, .summary h2, .summary h3, .summary h4 {
  margin: 14px 0 8px; color: var(--accent); font-size: 15px;
}
.summary ul, .summary ol { margin: 0 0 10px; padding-left: 20px; }
.summary li { margin-bottom: 3px; }
.summary table { border-collapse: collapse; width: 100%; margin: 0 0 12px; font-size: 13px; }
.summary th, .summary td { border: 1px solid #ccd6e4; padding: 6px 9px; text-align: left; vertical-align: top; }
.summary th { background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.summary tbody tr:nth-child(even) { background: #fafcfe; }
.summary code { background: #e9edf4; padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }
.summary hr { border: none; border-top: 1px solid var(--line); margin: 14px 0; }

.editor {
  width: 100%;
  min-height: 240px;
  border: 1px solid var(--accent-2);
  border-radius: 10px;
  padding: 11px 13px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.6;
  resize: vertical;
}

.dept-notes {
  border: none;
  padding: 0;
  margin: 0;
}
.dept-notes summary {
  cursor: pointer;
  font-size: 12.5px;
  color: var(--ink-2);
  padding: 4px 0;
  user-select: none;
}
.dept-notes summary:hover { color: var(--accent-2); }

.instr-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  resize: vertical;
  min-height: 58px;
  background: #fff;
}
.instr-input:focus { border-color: var(--accent-2); outline: none; }

/* ------------------------------ add card -------------------------------- */

.add-card {
  border: 2px dashed #c6d0e0;
  border-radius: var(--radius);
  background: transparent;
  min-height: 170px;
  display: grid;
  place-items: center;
  color: var(--ink-2);
  font-weight: 600;
  transition: border-color .12s, background .12s, color .12s;
  width: 100%;
  padding: 24px;
}
.add-card:hover { border-color: var(--accent-2); background: var(--accent-soft); color: var(--accent); }
.add-card .plus { font-size: 26px; display: block; margin-bottom: 4px; }

/* ------------------------------- central -------------------------------- */

.central {
  margin-top: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.central-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--accent-soft);
  border-bottom: 1px solid #cfdaeb;
  flex-wrap: wrap;
}
.central-head h2 { margin: 0; font-size: 16px; color: var(--accent); }
.central-head .spacer { flex: 1; }
.central-body { padding: 18px; }

.hint { color: var(--ink-2); font-size: 13.5px; margin: 0 0 12px; }

.progress {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.chip {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--ink-2);
}
.chip.done { background: var(--ok-soft); border-color: #b6ddc7; color: var(--ok); }
.chip.running { background: var(--run-soft); border-color: #b3cdf5; color: var(--run); }
.chip.error { background: var(--err-soft); border-color: #f0c4c8; color: var(--err); }

/* -------------------------------- modal --------------------------------- */

.modal-back {
  position: fixed;
  inset: 0;
  background: rgba(16, 24, 36, .48);
  display: grid;
  place-items: center;
  z-index: 100;
  padding: 20px;
}
.modal {
  background: var(--panel);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .3);
  width: min(560px, 100%);
  max-height: 88vh;
  overflow: auto;
}
.modal h3 { margin: 0; padding: 16px 20px; border-bottom: 1px solid var(--line); font-size: 16px; }
.modal .modal-body { padding: 20px; display: flex; flex-direction: column; gap: 16px; }
.modal .modal-foot {
  padding: 14px 20px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  background: var(--panel-2);
}

.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 13px; font-weight: 700; color: var(--ink-2); }
.field small { font-size: 12px; color: var(--ink-3); line-height: 1.45; }
.field input, .field select, .field textarea {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
  background: #fff;
  width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent-2); outline: none; }
.field .with-btn { display: flex; gap: 8px; }
.field .with-btn input { flex: 1; }

.key-set { font-size: 12px; color: var(--ok); font-weight: 700; }

/* -------------------------------- toast --------------------------------- */

#toasts {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 9px;
  max-width: 380px;
}
.toast {
  background: #1d2735;
  color: #fff;
  border-radius: 9px;
  padding: 11px 14px;
  font-size: 13.5px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .25);
  animation: rise .18s ease-out;
}
.toast.err { background: #8f2029; }
.toast.ok { background: #14603c; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.empty {
  text-align: center;
  color: var(--ink-3);
  padding: 40px 20px;
  font-size: 14px;
}