:root {
  --bg: #f4f5f8;
  --card: #ffffff;
  --text: #1d2433;
  --muted: #6b7385;
  --border: #e3e6ee;
  --navy: #14213d;
  --navy-2: #1f2f55;
  --gold: #e0a526;
  --primary: #2b59c3;
  --success: #1f9d61;
  --warn: #d98a0b;
  --danger: #cf3a3a;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px; line-height: 1.45; color: var(--text); background: var(--bg);
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2 { margin: 0; }
h2 { font-size: 15px; margin-bottom: 12px; }

/* layout */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 230px; flex-shrink: 0; background: var(--navy); color: #c9d1e6;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.brand { display: block; padding: 20px 18px 14px; color: #fff; text-decoration: none !important; }
.logo { display: block; font-size: 24px; font-weight: 800; letter-spacing: 3px; color: var(--gold); }
.brand small { font-size: 11px; color: #9aa6c4; }
.unit-switch { padding: 0 18px 16px; border-bottom: 1px solid var(--navy-2); }
.unit-switch label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: #9aa6c4; margin-bottom: 4px; }
.unit-switch select { width: 100%; background: var(--navy-2); color: #fff; border-color: #33467a; }
.unit-fixed { color: #fff; font-weight: 600; }
.sidebar nav { padding: 10px 0; overflow-y: auto; }
.sidebar nav a { display: block; padding: 9px 18px; color: #c9d1e6; border-left: 3px solid transparent; }
.sidebar nav a:hover { background: var(--navy-2); text-decoration: none; color: #fff; }
.sidebar nav a.active { background: var(--navy-2); color: #fff; border-left-color: var(--gold); font-weight: 600; }

.main { flex: 1; min-width: 0; }
.topbar {
  display: flex; align-items: center; gap: 12px; padding: 14px 24px;
  background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5;
}
.topbar h1 { font-size: 19px; flex: 1; }
.user-menu { display: flex; align-items: center; gap: 14px; }
.user-menu form { margin: 0; }
.unit-pill { background: #fff4dc; color: #8a5a00; border-radius: 99px; padding: 2px 10px; font-size: 12px; font-weight: 600; }
.menu-btn { display: none; background: none; border: 0; font-size: 22px; cursor: pointer; }
.content { padding: 20px 24px 40px; max-width: 1400px; }

/* cards & grids */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 18px; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 18px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; color: var(--muted); border-top: 4px solid var(--success);
}
.stat:hover { text-decoration: none; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.stat span { display: block; font-size: 28px; font-weight: 700; color: var(--text); }
.stat.st-new { border-top-color: var(--primary); }
.stat.st-hold { border-top-color: var(--warn); }
.stat.st-dropped { border-top-color: var(--danger); }

/* tables */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .3px; }
.table th, .table td { padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table tbody tr:hover { background: #fafbfd; }
.table .num { text-align: right; }
.table .center { text-align: center; }
.small-th { font-size: 10px !important; max-width: 90px; }
.row-warn { background: #fff7e8; }
tr.inactive td { color: var(--muted); }
.nowrap { white-space: nowrap; }
.small { font-size: 12px; }

/* badges */
.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 11px; font-weight: 600; background: #eef0f5; color: var(--muted); }
.st-new.badge { background: #e6edfc; color: var(--primary); }
.st-active.badge { background: #e2f5ec; color: var(--success); }
.st-hold.badge { background: #fff1d6; color: #9a6200; }
.st-dropped.badge { background: #fde7e7; color: var(--danger); }
.pri-badge-high { background: #fff1d6; color: #9a6200; }
.pri-badge-urgent { background: #fde7e7; color: var(--danger); }
.role-admin { background: #ece6fb; color: #5b3cc4; }
.role-general_manager { background: #e6edfc; color: var(--primary); }
.role-local_manager { background: #e2f5ec; color: var(--success); }
.role-help { margin: 0 0 12px; }
[hidden] { display: none !important; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.chip { background: var(--card); border: 1px solid var(--border); border-radius: 99px; padding: 3px 12px; font-size: 12px; }

/* forms */
input, select, textarea {
  font: inherit; color: inherit; padding: 7px 10px; border: 1px solid #cfd4df; border-radius: 7px; background: #fff; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #bcd0ff; border-color: var(--primary); }
input[type=checkbox] { width: auto; }
.form label { display: block; margin-bottom: 12px; font-weight: 500; }
.form label > input, .form label > select, .form label > textarea { margin-top: 4px; font-weight: 400; }
.form h2 { margin-top: 6px; padding-top: 6px; }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 0 16px; }
.narrow { max-width: 640px; }
.check-label { display: flex !important; align-items: center; gap: 8px; }
.actions { display: flex; gap: 10px; margin-top: 8px; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 16px; }
.toolbar input[type=search] { max-width: 340px; }
.toolbar select, .toolbar input[type=date] { width: auto; }
.toolbar p { margin: 0; }
.inline-label { display: flex; align-items: center; gap: 6px; }
.spacer { flex: 1; }
.inline-form { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.inline-form input { flex: 1 1 200px; }
.inline-form select { width: auto; }
form.inline { display: inline; }
details summary { cursor: pointer; }
details[open] summary { margin-bottom: 14px; }

/* buttons */
.btn {
  display: inline-block; font: inherit; font-weight: 600; padding: 7px 14px; border-radius: 7px; cursor: pointer;
  border: 1px solid #cfd4df; background: #fff; color: var(--text); white-space: nowrap;
}
.btn:hover { text-decoration: none; filter: brightness(.96); }
.btn-sm { padding: 3px 10px; font-size: 12px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-warn { background: var(--warn); border-color: var(--warn); color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: flex-start; }
.btn-row form { margin: 0; }
button.link { background: none; border: 0; color: var(--primary); cursor: pointer; font: inherit; padding: 0; }
.check {
  width: 24px; height: 24px; border-radius: 6px; border: 2px solid #c3c9d6; background: #fff; cursor: pointer;
  color: #fff; font-weight: 700; line-height: 1; padding: 0;
}
.check.on { background: var(--success); border-color: var(--success); }

/* alerts */
.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; border: 1px solid; }
.alert-success { background: #e8f7ef; border-color: #b6e3cb; color: #11603b; }
.alert-error { background: #fdecec; border-color: #f3c0c0; color: #8e1f1f; }

/* misc */
.muted { color: var(--muted); }
.block { display: block; }
.pre { white-space: pre-wrap; margin: 6px 0; }
.details { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; margin: 0; }
.details dt { color: var(--muted); }
.details dd { margin: 0; }
.profile-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.profile-head .name { font-size: 24px; margin: 6px 0 2px; }
.profile-head p { margin: 0; }
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { display: flex; align-items: center; gap: 10px; padding: 6px 0; }
.checklist form { margin: 0; }
.note-list { list-style: none; padding: 0; margin: 0; }
.note-list li { padding: 8px 10px; border-left: 3px solid var(--border); margin-bottom: 8px; background: #fafbfd; border-radius: 0 6px 6px 0; }
.note-row { display: flex; justify-content: space-between; gap: 10px; }
.pri-high { border-left-color: var(--warn) !important; }
.pri-urgent { border-left-color: var(--danger) !important; }
.resolved { background: #f7f8fa; }
.resolved > header, .resolved > .note-row, .resolved > p { opacity: .6; }
.resolution { border-left: 3px solid var(--success); background: #eef9f3; border-radius: 0 6px 6px 0; padding: 8px 10px; margin-top: 8px; }
.resolution strong { color: var(--success); }
.resolution .pre { margin: 4px 0 6px; }
.resolve-box { margin-top: 6px; }
.resolve-box > summary { list-style: none; display: inline-block; }
.resolve-box > summary::-webkit-details-marker { display: none; }
.resolve-box[open] { flex-basis: 100%; }
.resolve-form { display: flex; flex-direction: column; gap: 6px; margin-top: 4px; }
.resolve-form button { align-self: flex-start; }
.notes-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 0 16px; }
.note-card { border-left: 4px solid var(--border); display: flex; flex-direction: column; }
.note-card header { display: flex; justify-content: space-between; gap: 8px; }
.note-card footer { margin-top: auto; padding-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { padding: 4px 0; border-bottom: 1px dashed var(--border); }
.danger-zone { margin-top: 16px; text-align: right; }

/* login / plain pages */
.plain { min-height: 100vh; }
.login-wrap { min-height: 100vh; display: grid; place-items: center; align-content: center; gap: 14px; padding: 16px; background: linear-gradient(135deg, var(--navy), #2a3f72); }
.login-card { width: 100%; max-width: 380px; padding: 28px; }
.login-card label { display: block; margin-bottom: 14px; font-weight: 500; }
.login-card input { margin-top: 4px; }
.login-brand { text-align: center; margin-bottom: 20px; }
.login-brand .logo { font-size: 36px; color: var(--navy); }
.login-brand p { margin: 4px 0 0; font-weight: 600; }
.login-brand small { color: var(--muted); }
.error-card { max-width: 520px; margin: 60px auto; }

/* responsive */
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
  .menu-btn { display: block; }
  .sidebar { position: fixed; left: -240px; z-index: 20; transition: left .2s; }
  .sidebar.open { left: 0; box-shadow: 4px 0 20px rgba(0,0,0,.25); }
  .topbar { padding: 12px 16px; }
  .content { padding: 16px; }
  .unit-pill, .user-menu a { display: none; }
  .details { grid-template-columns: 110px 1fr; }
}

/* schedule */
.seg { display: inline-flex; border: 1px solid #cfd4df; border-radius: 7px; overflow: hidden; background: #fff; }
.seg a { padding: 6px 12px; color: var(--text); font-weight: 600; border-right: 1px solid #cfd4df; }
.seg a:last-child { border-right: 0; }
.seg a:hover { background: #f1f3f8; text-decoration: none; }
.seg a.on { background: var(--navy); color: #fff; }
.filters { margin: 0; }
.filters select, .filters input { width: auto; flex: none; }
.sched-title { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.sched-title h2 { margin: 0; }
.sched-wrap {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: auto; max-height: calc(100vh - 230px);
}
.sched { display: grid; grid-template-rows: auto 1fr; min-width: min-content; }
.sched-corner, .sched-head {
  position: sticky; top: 0; z-index: 3; background: #f8f9fc; border-bottom: 1px solid var(--border);
}
.sched-corner { left: 0; z-index: 4; }
.sched-head { padding: 8px 10px; border-left: 1px solid var(--border); }
.sched-head strong { display: block; }
.sched-head small { color: var(--muted); }
.sched-head.today { background: #fff4dc; }
.sched-times { position: sticky; left: 0; z-index: 2; background: #fff; border-right: 1px solid var(--border); }
.sched-times span { position: absolute; right: 6px; transform: translateY(-50%); font-size: 11px; color: var(--muted); }
.sched-times span:first-child { transform: none; }
.sched-col {
  position: relative; border-left: 1px solid var(--border); cursor: copy;
  background-image:
    repeating-linear-gradient(to bottom, #e3e6ee 0 1px, transparent 1px var(--hour)),
    repeating-linear-gradient(to bottom, transparent 0 calc(var(--hour) / 2), #f1f3f7 calc(var(--hour) / 2) calc(var(--hour) / 2 + 1px), transparent calc(var(--hour) / 2 + 1px) var(--hour));
}
.sched-col:hover { background-color: #fbfcfe; }
.now-line { position: absolute; left: 0; right: 0; border-top: 2px solid var(--danger); z-index: 2; pointer-events: none; }
.now-line::before { content: ''; position: absolute; left: -4px; top: -5px; width: 8px; height: 8px; border-radius: 50%; background: var(--danger); }
.lesson {
  position: absolute; z-index: 1; overflow: hidden; border-radius: 6px; padding: 3px 6px;
  font-size: 11.5px; line-height: 1.3; color: #1d2433; cursor: pointer;
  border: 1px solid rgba(0,0,0,.08); border-left: 4px solid var(--c, #8a93a6); background: var(--bgc, #eef0f5);
  box-shadow: 0 1px 2px rgba(0,0,0,.06);
}
.lesson:hover { text-decoration: none; z-index: 5; box-shadow: 0 3px 10px rgba(0,0,0,.18); overflow: visible; min-height: fit-content; }
.lesson strong, .lesson span { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lesson .lesson-meta { color: #4a5266; }
.lesson .flag { font-weight: 700; font-size: 10.5px; }
.lesson.conflict { outline: 2px solid var(--danger); outline-offset: -1px; }
.lesson.conflict .flag { color: var(--danger); }
.lesson.on-hold { opacity: .55; background-image: repeating-linear-gradient(45deg, transparent 0 6px, rgba(0,0,0,.05) 6px 12px); }
.c-0 { --c: #2b59c3; --bgc: #e6edfc; } .c-1 { --c: #1f9d61; --bgc: #e2f5ec; }
.c-2 { --c: #c2410c; --bgc: #fde9dc; } .c-3 { --c: #7c3aed; --bgc: #efe7fd; }
.c-4 { --c: #b7791f; --bgc: #fdf3d8; } .c-5 { --c: #0e7490; --bgc: #dcf3f8; }
.c-6 { --c: #be185d; --bgc: #fbe4ef; } .c-7 { --c: #4d7c0f; --bgc: #ecf6dc; }
.c-none { --c: #8a93a6; --bgc: #eef0f5; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 10px; font-size: 12px; color: var(--muted); }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.legend-item i { width: 14px; height: 14px; border-radius: 4px; border-left: 4px solid var(--c); background: var(--bgc); }
.legend-item i.legend-conflict { background: #fff; border: 2px solid var(--danger); }
.legend-item i.legend-hold { background: #eee; opacity: .6; border-left: 4px solid #999; }
.warn-box { border: 1px solid #f3dca0; background: #fff8e6; color: #7a5200; border-radius: 8px; padding: 6px 14px; margin: 6px 0; }
.warn-box ul { margin: 4px 0; padding-left: 18px; }
.conflict-box { border: 1px solid #f3c0c0; background: #fdf1f1; border-radius: 8px; padding: 10px 14px; margin: 6px 0 14px; }
.conflict-box.ok { border-color: #b6e3cb; background: #eef9f3; color: #11603b; }
.conflict-box ul { margin: 6px 0; padding-left: 18px; }
.conflict-box .check-label { margin: 6px 0 0; color: #8e1f1f; }
.lesson-list { list-style: none; padding: 0; margin: 0; }
.lesson-list li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 10px; margin-bottom: 6px; border-radius: 6px; border-left: 4px solid var(--c); background: var(--bgc); }
.lesson-list li.ended { opacity: .5; }

@media print {
  .sidebar, .topbar, .no-print, .legend, .alert { display: none !important; }
  body { background: #fff; }
  .content { padding: 0; max-width: none; }
  .sched-wrap { max-height: none; overflow: visible; border: 0; }
  .sched-col { cursor: default; }
  .lesson { box-shadow: none; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* live filters */
.live-spinner { width: 16px; height: 16px; border: 2px solid #cfd4df; border-top-color: var(--primary); border-radius: 50%; visibility: hidden; }
form.loading .live-spinner { visibility: visible; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* instrument catalog */
.check-grid { border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px 4px; margin: 0 0 12px; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 2px 12px; }
.check-grid legend { font-weight: 500; padding: 0 4px; }
.check-grid .check-label { margin: 0 0 6px; font-weight: 400; }
.chip { display: inline-flex; align-items: center; gap: 6px; }
.chip-off { opacity: .5; text-decoration: line-through; }
.chip-btn { border: 0; background: none; cursor: pointer; color: var(--muted); font-size: 14px; line-height: 1; padding: 0 0 0 2px; }
.chip-btn:hover { color: var(--danger); }

.pair-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.pair { padding: 3px 10px; border-radius: 99px; background: var(--bgc); border-left: 4px solid var(--c); font-size: 13px; }
.field-hint { grid-column: 1 / -1; margin: -4px 0 10px; }

/* searchable select */
.combo { position: relative; margin-top: 4px; font-weight: 400; }
.combo input { padding-right: 30px; }
.combo-clear { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); border: 0; background: none; font-size: 18px; line-height: 1; color: var(--muted); cursor: pointer; padding: 2px 4px; }
.combo-clear:hover { color: var(--danger); }
.combo-list {
  position: absolute; z-index: 30; left: 0; right: 0; top: calc(100% + 4px); max-height: 280px; overflow-y: auto;
  margin: 0; padding: 4px; list-style: none; background: #fff; border: 1px solid #cfd4df; border-radius: 8px;
  box-shadow: 0 8px 24px rgba(20, 33, 61, .15);
}
.combo-list li { padding: 7px 10px; border-radius: 6px; cursor: pointer; }
.combo-list li.active { background: #e6edfc; }
.combo-list li.selected { font-weight: 600; }
.combo-list li.combo-empty { color: var(--muted); cursor: default; font-size: 12px; }

/* language */
.lang-switch select { width: auto; padding: 3px 6px; font-size: 12px; }
.login-langs { display: flex; gap: 6px; justify-content: center; }
.login-langs button { background: none; border: 1px solid rgba(255,255,255,.3); color: #c9d1e6; border-radius: 99px; padding: 3px 12px; cursor: pointer; font: inherit; font-size: 12px; }
.login-langs button.on, .login-langs button:hover { background: rgba(255,255,255,.15); color: #fff; }
@media (max-width: 900px) { .lang-switch { display: block; } }