*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0f172a;
  --surface:  #1e293b;
  --surface2: #263348;
  --border:   #334155;
  --text:     #f1f5f9;
  --text-sec: #94a3b8;
  --text-mut: #64748b;
  --blue:     #3b82f6;
  --blue-dk:  #2563eb;
  --green:    #22c55e;
  --amber:    #f59e0b;
  --orange:   #f97316;
  --red:      #ef4444;
  --radius:   6px;
  --shadow:   0 1px 3px rgba(0,0,0,.4);
  --shadow-lg:0 12px 32px rgba(0,0,0,.5);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Header ────────────────────────────────────────────────────────────────── */
header {
  background: #020617;
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 100;
}

header .logo {
  height: 42px;
  width: 42px;
  object-fit: contain;
  flex-shrink: 0;
}

header h1 { font-size: 17px; font-weight: 700; letter-spacing: -.3px; }
header .tagline { color: var(--text-mut); font-size: 13px; flex: 1; }

/* ── Tabs ──────────────────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 2px;
  padding: 0 24px;
  background: #020617;
  border-bottom: 1px solid var(--border);
}

.tab {
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-sec);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--blue); border-bottom-color: var(--blue); }

/* ── Main ──────────────────────────────────────────────────────────────────── */
main { max-width: 1200px; margin: 0 auto; padding: 24px; }

.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Overview layout ───────────────────────────────────────────────────────── */
.overview-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 760px) {
  .overview-layout { grid-template-columns: 1fr; }
}

/* ── Calendar ──────────────────────────────────────────────────────────────── */
.calendar-panel {
  background: var(--surface);
  border-radius: 10px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.cal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.cal-title {
  font-weight: 700;
  font-size: 15px;
}

.cal-nav {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-sec);
  border-radius: var(--radius);
  padding: 4px 10px;
  cursor: pointer;
  font-size: 13px;
  transition: background .15s, color .15s;
}
.cal-nav:hover { background: var(--surface2); color: var(--text); }

.cal-today-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-sec);
  border-radius: var(--radius);
  padding: 4px 12px;
  cursor: pointer;
  font-size: 12px;
  transition: background .15s, color .15s;
}
.cal-today-btn:hover { background: var(--surface2); color: var(--text); }

.cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: 10px 12px 4px;
  gap: 2px;
}

.cal-weekday {
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-mut);
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 4px 0;
}

.cal-body {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  padding: 4px 12px 16px;
}

.cal-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 13px;
  color: var(--text-sec);
  cursor: default;
  transition: background .1s;
  user-select: none;
}

.cal-cell.empty { pointer-events: none; }

.cal-cell.today {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
  color: var(--blue);
  font-weight: 700;
}

.cal-cell.has-event {
  cursor: pointer;
  font-weight: 700;
}
.cal-cell.has-event:hover { filter: brightness(1.2); }

.cal-cell.selected { outline: 2px solid #fff; outline-offset: -2px; }

/* Event colors based on urgency */
.cal-cell.evt-overdue { background: rgba(239,68,68,.55);  color: #fff; }
.cal-cell.evt-red     { background: rgba(239,68,68,.28);  color: #fca5a5; }
.cal-cell.evt-orange  { background: rgba(249,115,22,.28); color: #fdba74; }
.cal-cell.evt-amber   { background: rgba(245,158,11,.28); color: #fcd34d; }
.cal-cell.evt-green   { background: rgba(34,197,94,.18);  color: #86efac; }

/* ── Selected date detail ──────────────────────────────────────────────────── */
.selected-date-panel {
  border-top: 1px solid var(--border);
  padding: 16px 20px;
}

.selected-date-panel h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sec);
  margin-bottom: 12px;
}

.event-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 8px;
}

.event-card:last-child { margin-bottom: 0; }

.event-card-name {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
}

.event-card-meta {
  font-size: 12px;
  color: var(--text-sec);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.event-card-actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
}

/* ── Upcoming events sidebar ───────────────────────────────────────────────── */
.events-sidebar {
  background: var(--surface);
  border-radius: 10px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.sidebar-header {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-body { padding: 8px 0; max-height: 520px; overflow-y: auto; }

.upcoming-item {
  padding: 10px 18px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}
.upcoming-item:last-child { border-bottom: none; }
.upcoming-item:hover { background: var(--surface2); }
.upcoming-item.overdue { background: rgba(239,68,68,.08); border-left: 3px solid var(--red); padding-left: 15px; }
.upcoming-item.overdue:hover { background: rgba(239,68,68,.15); }

.upcoming-item-name {
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upcoming-item-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-sec);
}

.sidebar-empty {
  padding: 32px 18px;
  text-align: center;
  color: var(--text-mut);
  font-size: 13px;
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
button { cursor: pointer; border: none; font-family: inherit; }

.btn-primary {
  background: var(--blue);
  color: #fff;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  padding: 7px 16px;
  transition: background .15s;
}
.btn-primary:hover { background: var(--blue-dk); }

.btn-secondary {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  padding: 7px 14px;
  transition: background .15s;
}
.btn-secondary:hover { background: var(--border); }

.btn-danger {
  background: transparent;
  color: var(--red);
  border: 1px solid var(--red);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  padding: 7px 14px;
  transition: background .15s;
}
.btn-danger:hover { background: rgba(239,68,68,.1); }

.btn-sm { padding: 4px 10px; font-size: 12px; }

.btn-icon {
  background: transparent;
  color: var(--text-sec);
  border-radius: var(--radius);
  padding: 4px 8px;
  font-size: 18px;
  line-height: 1;
  transition: color .15s, background .15s;
}
.btn-icon:hover { color: var(--text); background: var(--surface2); }

/* ── Resources toolbar ─────────────────────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.toolbar h2 { font-size: 15px; font-weight: 600; color: var(--text-sec); }

/* ── Table ─────────────────────────────────────────────────────────────────── */
.table-wrap {
  background: var(--surface);
  border-radius: 10px;
  border: 1px solid var(--border);
  overflow: hidden;
}

table { width: 100%; border-collapse: collapse; }

thead { background: var(--surface2); border-bottom: 1px solid var(--border); }

th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-mut);
  white-space: nowrap;
}

th.sortable {
  cursor: pointer;
  user-select: none;
}
th.sortable:hover { color: var(--text); }

.sort-icon { margin-left: 4px; font-style: normal; }

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface2); }
tr.overdue td { color: var(--red); }
tr.overdue:hover td { background: rgba(239,68,68,.08); }

td.name { font-weight: 600; }
td.actions { white-space: nowrap; }
td.actions { display: flex; gap: 6px; align-items: center; }

/* ── Badges ────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-green  { background: rgba(34,197,94,.15);  color: #86efac; }
.badge-amber  { background: rgba(245,158,11,.15);  color: #fcd34d; }
.badge-orange { background: rgba(249,115,22,.15);  color: #fdba74; }
.badge-red    { background: rgba(239,68,68,.15);   color: #fca5a5; }

/* ── Empty state ───────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-mut);
}
.empty-state strong { color: var(--text-sec); }
.empty-state p { margin-top: 8px; font-size: 13px; }

/* ── Modal ─────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.hidden { display: none; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h2 { font-size: 16px; font-weight: 700; }

.modal-body { padding: 24px; flex: 1; }

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ── Forms ─────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }

label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sec);
  margin-bottom: 5px;
}
label .required { color: var(--red); margin-left: 2px; }
label .optional { color: var(--text-mut); font-weight: 400; margin-left: 4px; }

input[type="text"],
input[type="url"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: 8px 11px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text);
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}
select { color: var(--text); }
select option { background: var(--surface); }

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
input::placeholder, textarea::placeholder { color: var(--text-mut); }

input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(1) opacity(.4);
  cursor: pointer;
}

textarea { resize: vertical; min-height: 80px; }

.date-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.date-sub { font-size: 11px; color: var(--text-mut); font-weight: 400; display: block; margin-bottom: 4px; }

/* ── Certificate section ───────────────────────────────────────────────────── */
.cert-section {
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 14px;
}
.cert-section h4 { font-size: 12px; font-weight: 600; color: var(--text-sec); margin-bottom: 4px; }
.cert-section p { font-size: 12px; color: var(--text-mut); margin-bottom: 10px; }

.cert-input-row { display: flex; gap: 8px; align-items: center; }
.cert-input-row input[type="file"] {
  flex: 1;
  font-size: 12px;
  color: var(--text-sec);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 8px;
  cursor: pointer;
}

.cert-status { font-size: 12px; margin-top: 8px; font-weight: 500; }
.cert-status.success { color: var(--green); }
.cert-status.error   { color: var(--red); }

/* ── Error message ─────────────────────────────────────────────────────────── */
.error-msg {
  color: var(--red);
  font-size: 12px;
  margin-top: 12px;
  padding: 8px 12px;
  background: rgba(239,68,68,.1);
  border: 1px solid rgba(239,68,68,.2);
  border-radius: var(--radius);
  display: none;
}
.error-msg.visible { display: block; }

/* ── Toast ─────────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 300;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .2s, transform .2s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ── Webhook test button row ───────────────────────────────────────────────── */
.webhook-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.webhook-row input { flex: 1; }

.btn-test {
  background: var(--surface2);
  color: var(--text-sec);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 500;
  padding: 7px 12px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background .15s, color .15s;
}
.btn-test:hover { background: var(--border); color: var(--text); }

.webhook-test-status {
  font-size: 12px;
  margin-top: 6px;
  font-weight: 500;
}
.webhook-test-status.success { color: var(--green); }
.webhook-test-status.error   { color: var(--red); }

/* ── Resource detail modal ─────────────────────────────────────────────────── */
.detail-meta {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-mut);
  margin-bottom: 2px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.detail-field { margin-bottom: 16px; }
.detail-field:last-child { margin-bottom: 0; }

.detail-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-mut);
  margin-bottom: 4px;
}

.detail-value {
  font-size: 14px;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

.detail-value a {
  color: var(--blue);
  text-decoration: none;
}
.detail-value a:hover { text-decoration: underline; }

/* ── Date-list modal (multiple resources on one date) ──────────────────────── */
.date-resource-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.date-resource-card:last-child { margin-bottom: 0; }

.date-resource-info { flex: 1; min-width: 0; }
.date-resource-name { font-weight: 600; font-size: 14px; margin-bottom: 3px; }
.date-resource-meta { font-size: 12px; color: var(--text-sec); display: flex; gap: 10px; flex-wrap: wrap; }

/* ── Year view ─────────────────────────────────────────────────────────────── */
.overview-layout.year-view-active {
  grid-template-columns: 1fr;
}
.overview-layout.year-view-active #events-sidebar {
  display: none;
}

.year-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 12px 16px 20px;
}

@media (max-width: 900px) {
  .year-grid { grid-template-columns: repeat(3, 1fr); }
}

.mini-month {}

.mini-month-header {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-sec);
  margin-bottom: 5px;
  padding: 0 1px;
}

.mini-cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  margin-bottom: 2px;
}

.mini-cal-weekday {
  text-align: center;
  font-size: 9px;
  color: var(--text-mut);
  padding: 1px 0;
}

.mini-cal-body {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
}

.mini-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  font-size: 10px;
  color: var(--text-mut);
  cursor: default;
}

.mini-cell.has-event {
  cursor: pointer;
  font-weight: 700;
}
.mini-cell.has-event:hover { filter: brightness(1.25); }
.mini-cell.today { outline: 1px solid var(--blue); color: var(--blue); font-weight: 700; }

.mini-cell.evt-overdue { background: rgba(239,68,68,.55);  color: #fff; }
.mini-cell.evt-red     { background: rgba(239,68,68,.28);  color: #fca5a5; }
.mini-cell.evt-orange  { background: rgba(249,115,22,.28); color: #fdba74; }
.mini-cell.evt-amber   { background: rgba(245,158,11,.28); color: #fcd34d; }
.mini-cell.evt-green   { background: rgba(34,197,94,.18);  color: #86efac; }

/* ── About page ────────────────────────────────────────────────────────────── */
.about-panel {
  max-width: 680px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px 36px;
}

.about-panel h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.about-lead {
  font-size: 15px;
  color: var(--text-sec);
  line-height: 1.7;
  margin-bottom: 28px;
}

.about-panel h3 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-mut);
  margin-bottom: 10px;
  margin-top: 24px;
}

.about-panel p {
  color: var(--text-sec);
  line-height: 1.7;
  margin-bottom: 0;
}

.about-panel ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.about-panel ul li {
  color: var(--text-sec);
  line-height: 1.7;
  padding-left: 18px;
  position: relative;
}

.about-panel ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--blue);
  font-size: 12px;
}

.about-footer {
  margin-top: 28px !important;
  font-size: 12px;
  color: var(--text-mut) !important;
}

/* ── Loading ───────────────────────────────────────────────────────────────── */
.loading { color: var(--text-mut); padding: 24px; text-align: center; }

/* ── Mobile ────────────────────────────────────────────────────────────────── */

/* Tablet: sidebar stacks below calendar — cap its height so it doesn't dominate */
@media (max-width: 760px) {
  .sidebar-body { max-height: 280px; }
}

/* Phone */
@media (max-width: 640px) {
  /* Header */
  header { padding: 0 16px; gap: 8px; }
  header .tagline { display: none; }
  header h1 { font-size: 15px; }

  /* Tabs — scroll horizontally rather than wrap/clip */
  .tabs { overflow-x: auto; padding: 0 16px; gap: 0; }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { padding: 10px 14px; font-size: 12px; white-space: nowrap; }

  /* Main content padding */
  main { padding: 16px; }

  /* Calendar header — tighter on small screens */
  .cal-header { padding: 12px; gap: 6px; }
  .cal-today-btn { padding: 3px 8px; font-size: 11px; }
  .cal-nav { padding: 4px 8px; font-size: 12px; }

  /* Year view — 2 columns on phones */
  .year-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 10px 12px 16px; }

  /* Table — hide Type and DRI columns; they're always available in the detail modal */
  .table-wrap { overflow-x: auto; }
  table th:nth-child(2), table td:nth-child(2),
  table th:nth-child(3), table td:nth-child(3) { display: none; }

  /* Stack action buttons so they don't blow out the column width */
  td.actions { flex-direction: column; gap: 3px; align-items: stretch; }
  td.actions .btn-sm { font-size: 11px; padding: 3px 6px; text-align: center; }

  /* Toolbar */
  .toolbar h2 { font-size: 14px; }

  /* Modals */
  .modal-overlay { padding: 10px; }
  .modal { max-height: 88vh; }
  .modal-header { padding: 14px 16px 12px; }
  .modal-body { padding: 16px; }
  .modal-footer { padding: 12px 16px; gap: 8px; }

  /* Detail modal — stack the Type/Expiration grid */
  .detail-grid { grid-template-columns: 1fr; gap: 12px; }

  /* Webhook row — stack input and button */
  .webhook-row { flex-direction: column; align-items: stretch; }
  .btn-test { width: 100%; }

  /* About/Admin panels */
  .about-panel { padding: 20px; }

  /* Toast — full width at bottom */
  .toast { left: 16px; right: 16px; bottom: 16px; text-align: center; }
}