/* BBS CRM premium visual layer. Design only: content, data and behavior stay untouched. */
:root {
  --premium-shadow: 0 18px 48px rgba(37, 29, 19, .065);
  --premium-shadow-hover: 0 22px 55px rgba(37, 29, 19, .11);
  --premium-radius: 19px;
}

body {
  font-family: 'DM Sans', Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 88% -5%, rgba(110, 142, 168, .07), transparent 28%),
    radial-gradient(circle at 14% 18%, rgba(189, 147, 81, .035), transparent 28%),
    var(--canvas);
}

.app-shell { grid-template-columns: 264px minmax(0, 1fr); }

.sidebar {
  width: 264px;
  padding: 28px 17px 20px;
  background:
    radial-gradient(circle at 32% 0%, rgba(110, 142, 168, .15), transparent 25%),
    radial-gradient(circle at 90% 82%, rgba(189, 147, 81, .07), transparent 31%),
    linear-gradient(165deg, #1b1815 0%, #151311 100%);
  border-right: 1px solid rgba(255, 255, 255, .07);
}

.brand {
  min-height: 58px;
  padding: 0 10px 25px;
  gap: 12px;
  border-bottom-color: rgba(255, 255, 255, .1);
}

.brand-mark {
  width: 38px;
  height: 38px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid rgba(189, 147, 81, .42);
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(110, 142, 168, .28), rgba(189, 147, 81, .15));
  color: #f6f1e8;
  font: 600 1rem/1 'Playfair Display', Georgia, serif;
  letter-spacing: .04em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 9px 20px rgba(0,0,0,.12);
}

.brand-name { font: 600 .84rem/1.2 'Playfair Display', Georgia, serif; }
.brand-sub { color: #a9a198; font-family: 'DM Mono', monospace; font-size: .61rem; letter-spacing: .13em; }

.nav { gap: 4px; margin-top: 20px; padding-right: 2px; }
.nav-section-label { padding: 17px 13px 6px; color: #77736e; font-family: 'DM Mono', monospace; font-size: .59rem; font-weight: 500; letter-spacing: .12em; }
.nav-section-label:first-child { padding-top: 0; }
.nav-item { min-height: 42px; padding: 0 12px; border-radius: 12px; color: #bdb7ae; font-size: .81rem; letter-spacing: .005em; }
.nav-item:hover { background: rgba(255,255,255,.055); color: #fff; transform: translateX(2px); }
.nav-item.active { background: linear-gradient(110deg, rgba(110, 142, 168, .28), rgba(110, 142, 168, .11)); box-shadow: inset 3px 0 0 var(--gold), inset 0 0 0 1px rgba(110,142,168,.08); }
.nav-count, .nav-alert { font-family: 'DM Mono', monospace; font-size: .61rem; }
.sidebar-foot { padding-top: 19px; border-top-color: rgba(255,255,255,.1); }
.avatar { box-shadow: 0 0 0 4px rgba(255,255,255,.04); }

.topbar { height: 78px; padding: 0 clamp(24px, 3.2vw, 52px); border-bottom-color: rgba(210,201,190,.7); background: rgba(244,241,235,.82); box-shadow: 0 1px 0 rgba(255,255,255,.65); }
.search-box { height: 43px; border-radius: 11px; background: rgba(255,255,255,.66); box-shadow: 0 5px 18px rgba(37,29,19,.025); }
.search-box input { font-size: .78rem; }
.topbar-actions { gap: 9px; }
.demo-data-badge { font-family: 'DM Mono', monospace; font-size: .57rem; letter-spacing: .07em; box-shadow: 0 3px 10px rgba(189,147,81,.08); }
.role-switch { box-shadow: 0 5px 17px rgba(37,29,19,.025); }
.icon-button { transition: border-color .18s ease, background .18s ease, color .18s ease, transform .18s ease; }
.icon-button:hover { border-color: rgba(110,142,168,.52); color: var(--gold-deep); transform: translateY(-1px); }
.primary-button, .secondary-button { border-radius: 10px; }
.primary-button { box-shadow: 0 9px 20px rgba(27,24,21,.13); }
.primary-button:hover { box-shadow: 0 13px 28px rgba(27,24,21,.18); }

.content { width: min(1600px, 100%); padding-top: clamp(34px, 3.7vw, 55px); }
.page-heading { margin-bottom: 31px; }
.page-heading h1, .panel-heading h2, .group-head h2, .modal-head h2, .detail-person h2, .task-column-head h2, .detail-section h3, .schedule-summary strong, .finance-overview strong, .student-summary strong { font-family: 'Playfair Display', Georgia, "Times New Roman", serif; }
.page-heading h1 { font-weight: 500; letter-spacing: -.045em; }
.heading-note { font-size: .78rem; }
.eyebrow { font-family: 'DM Mono', monospace; font-size: .59rem; font-weight: 500; letter-spacing: .14em; }

.kpi-grid { gap: 15px; margin-bottom: 18px; }
.kpi-card { min-height: 162px; padding: 21px 22px; border-color: rgba(230,223,213,.9); border-radius: var(--premium-radius); background: linear-gradient(145deg, rgba(255,255,255,.91), rgba(255,255,255,.7)); box-shadow: var(--premium-shadow); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.kpi-card:hover { transform: translateY(-3px); border-color: rgba(110,142,168,.28); box-shadow: var(--premium-shadow-hover); }
.kpi-featured { background: linear-gradient(145deg, #211d19, #141210 74%); box-shadow: 0 18px 35px rgba(27,24,21,.16); }
.kpi-card > strong { font-family: 'Playfair Display', Georgia, serif; font-size: 1.9rem; }
.kpi-top > span:first-child { font-size: .7rem; }
.trend { font-family: 'DM Mono', monospace; font-size: .58rem; }

.dashboard-grid { gap: 17px; margin-bottom: 17px; }
.panel { padding: 25px; border-color: rgba(230,223,213,.92); border-radius: var(--premium-radius); background: linear-gradient(145deg, rgba(255,255,255,.9), rgba(255,255,255,.77)); box-shadow: var(--premium-shadow); }
.panel:hover { border-color: rgba(110,142,168,.18); }
.panel-heading { margin-bottom: 23px; }
.panel-heading h2 { font-size: 1.24rem; font-weight: 500; }
.text-button { font-size: .68rem; letter-spacing: .01em; }
.pipeline { gap: 12px; }
.pipeline-step { border-color: #ebe5dc; border-radius: 14px; background: linear-gradient(145deg, #fbfaf8, #f7f3ed); }
.pipeline-step:hover { border-color: rgba(110,142,168,.38); box-shadow: 0 9px 20px rgba(37,29,19,.06); }
.attention-item, .schedule-item, .capacity-row { border-bottom-color: rgba(230,223,213,.72); }
.attention-item { min-height: 66px; }
.attention-icon, .teacher-avatar { box-shadow: inset 0 1px 0 rgba(255,255,255,.7); }
.arrow-button { transition: border-color .18s ease, background .18s ease, transform .18s ease; }
.arrow-button:hover { border-color: var(--gold); background: var(--gold-pale); transform: translateX(2px); }
.ring { box-shadow: 0 5px 14px rgba(37,29,19,.08); }

.toolbar { margin-bottom: 16px; }
.segmented, .filter-button, .table-tools, .table-card, .student-summary, .finance-overview, .schedule-summary, .month-calendar-wrap, .exam-calendar-panel, .faculty-calendar-panel, .faculty-settlement-summary, .lead-source-strip { border-radius: var(--premium-radius); }
.segmented { padding: 4px; background: rgba(255,255,255,.68); box-shadow: 0 5px 18px rgba(37,29,19,.035); }
.segmented button { border-radius: 9px; font-size: .68rem; }
.filter-button { background: rgba(255,255,255,.82); }

.table-card { border-color: rgba(230,223,213,.92); background: rgba(255,255,255,.88); box-shadow: var(--premium-shadow); }
.table-wrap { scrollbar-width: thin; scrollbar-color: rgba(110,142,168,.45) transparent; }
th { height: 51px; padding: 0 18px; background: linear-gradient(to bottom, #fbfaf8, #f7f3ed); color: #8c857c; font-family: 'DM Mono', monospace; font-size: .57rem; font-weight: 500; letter-spacing: .09em; }
td { height: 72px; border-bottom-color: rgba(230,223,213,.72); font-size: .72rem; }
tbody tr { transition: background .16s ease, box-shadow .16s ease; }
tbody tr:hover { background: linear-gradient(90deg, rgba(231,238,243,.36), rgba(255,255,255,.1)); box-shadow: inset 3px 0 0 rgba(110,142,168,.45); }
.person-avatar { border-radius: 12px; box-shadow: inset 0 1px 0 rgba(255,255,255,.8); }
.status-pill { font-family: 'DM Mono', monospace; font-size: .56rem; }
.table-footer { background: rgba(250,248,244,.55); border-top-color: rgba(230,223,213,.72); }
.pagination button { border-radius: 8px; transition: transform .16s ease, border-color .16s ease; }
.pagination button:hover:not(:disabled) { transform: translateY(-1px); border-color: var(--gold); }
.table-tools { background: rgba(255,255,255,.45); }
.inline-search { background: rgba(250,248,245,.78); }

.student-summary, .finance-overview, .schedule-summary { border-color: rgba(230,223,213,.92); box-shadow: var(--premium-shadow); }
.student-summary > div, .finance-overview > div, .schedule-summary > div { border-color: rgba(230,223,213,.72); }
.group-grid { gap: 17px; }
.group-card { padding: 26px; border-radius: var(--premium-radius); background: linear-gradient(145deg, #fff, #fcfaf7); box-shadow: var(--premium-shadow); transition: transform .2s ease, box-shadow .2s ease; }
.group-card:hover { transform: translateY(-3px); box-shadow: var(--premium-shadow-hover); }
.group-head h2 { font-size: 1.32rem; }
.group-info, .group-progress { border-color: rgba(230,223,213,.72); }
.task-column { border-radius: var(--premium-radius); background: rgba(255,255,255,.5); box-shadow: inset 0 1px 0 rgba(255,255,255,.8); }
.task-card { border-radius: 15px; box-shadow: 0 9px 24px rgba(37,29,19,.055); transition: transform .18s ease, box-shadow .18s ease; }
.task-card:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(37,29,19,.09); }

.modal-backdrop { background: rgba(16,13,11,.52); backdrop-filter: blur(8px); }
.modal { padding: 30px; border-radius: 16px; background: #f8f7f3; box-shadow: 0 32px 80px rgba(15,12,9,.29); }
.modal-head h2, .detail-person h2 { letter-spacing: -.03em; }
.modal-head h2 { font-family: 'DM Sans', Inter, sans-serif; font-weight: 600; }
.modal label { color: #514b43; font-size: .74rem; }
.modal-head button, .detail-head button { transition: border-color .18s ease, background .18s ease, transform .18s ease; }
.modal-head button:hover, .detail-head button:hover { border-color: var(--gold); background: var(--gold-pale); }
.modal input, .modal select, .modal textarea, .detail-sheet input, .detail-sheet select, .detail-sheet textarea { transition: border-color .18s ease, box-shadow .18s ease; }
.modal input:focus, .modal select:focus, .modal textarea:focus, .detail-sheet input:focus, .detail-sheet select:focus, .detail-sheet textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(110,142,168,.12); }
.detail-sheet { background: #f8f7f3; box-shadow: -24px 0 70px rgba(24,19,14,.2); }
.detail-data { border-radius: 15px; box-shadow: 0 8px 22px rgba(37,29,19,.04); }
.detail-actions button { transition: border-color .18s ease, background .18s ease, transform .18s ease; }
.detail-actions button:hover { background: var(--gold-pale); transform: translateY(-1px); }
.toast { box-shadow: 0 22px 50px rgba(17,31,52,.17); }

.schedule-summary-main, .finance-overview .finance-main { background: linear-gradient(145deg, #211d19, #141210 78%); }
.week-calendar-wrap, .month-calendar-wrap, .exam-calendar-panel, .faculty-calendar-panel { box-shadow: var(--premium-shadow); }
.week-day { border-color: rgba(230,223,213,.9); border-radius: 16px; background: rgba(255,255,255,.73); }
.week-day.today { box-shadow: inset 0 3px 0 var(--gold), 0 8px 20px rgba(37,29,19,.05); }
.week-day-events, .month-day { scrollbar-width: thin; scrollbar-color: rgba(110,142,168,.4) transparent; }
.month-calendar-weekdays, .exam-calendar-weekdays, .faculty-calendar-weekdays { background: linear-gradient(to bottom, #f8f5f0, #f2ede5); }
.month-day, .exam-calendar-day, .faculty-calendar-day { background: rgba(255,255,255,.78); }
.month-day.empty, .exam-calendar-day.empty, .faculty-calendar-day.empty { background: rgba(250,248,244,.72); }
.month-event, .exam-calendar-day button, .faculty-calendar-day button { border-radius: 8px; transition: transform .16s ease, box-shadow .16s ease, filter .16s ease; }
.month-event:hover, .exam-calendar-day button:hover, .faculty-calendar-day button:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,29,19,.08); }

.lead-source-strip, .source-settings-grid section, .admin-access-row, .customization-note { box-shadow: 0 8px 23px rgba(37,29,19,.04); }
.lead-source-strip { background: linear-gradient(145deg, rgba(255,255,255,.95), rgba(255,255,255,.76)); }
.source-settings-grid section { border-radius: 15px; }
.admin-access-row { border-radius: 14px; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.admin-access-row:hover { transform: translateY(-1px); border-color: rgba(110,142,168,.32); box-shadow: 0 10px 24px rgba(37,29,19,.06); }

@media (max-width: 1120px) {
  .app-shell { grid-template-columns: 238px minmax(0, 1fr); }
  .sidebar { width: 238px; }
  .content { padding-left: 28px; padding-right: 28px; }
  .topbar { padding-left: 28px; padding-right: 28px; }
}

@media (max-width: 760px) {
  .sidebar { width: min(286px, 86vw); }
  .topbar { height: 68px; padding: 0 16px; }
  .content { padding: 28px 16px 48px; }
  .page-heading { align-items: flex-start; flex-direction: column; gap: 17px; }
  .page-heading > .secondary-button, .heading-actions { width: 100%; }
  .heading-actions { display: flex; gap: 8px; }
  .heading-actions > button { flex: 1; }
  .panel { padding: 19px; }
  .kpi-card { min-height: 148px; padding: 17px; }
  .table-card { border-radius: 15px; }
  .modal { padding: 22px; }
}