:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --text: #172033;
  --muted: #657083;
  --border: #dfe5ee;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --amber: #b7791f;
  --red: #b42318;
  --blue: #315c9b;
  --shadow: 0 18px 42px rgba(23, 32, 51, .08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

button, a { -webkit-tap-highlight-color: transparent; }

.hidden { display: none !important; }

.admin-shell { min-height: 100vh; }

.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  background:
    linear-gradient(rgba(15, 23, 42, .38), rgba(15, 23, 42, .38)),
    url("../assets/img/hero-1.jpg") center/cover;
}

.login-panel {
  width: min(460px, 100%);
  background: rgba(255, 255, 255, .96);
  border: 1px solid rgba(255, 255, 255, .65);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .22);
  padding: 30px;
}

.brand-lockup,
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-lockup img,
.sidebar-brand img {
  width: min(180px, 100%);
  height: 52px;
  object-fit: contain;
  object-position: center;
  background: #fff;
  border-radius: 6px;
  padding: 8px 10px;
}

.brand-lockup span {
  color: var(--primary);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 12px;
}

h1, h2, p { margin-top: 0; }

.login-panel h1 {
  margin: 24px 0 8px;
  font-size: 34px;
  letter-spacing: 0;
}

.login-panel p,
.panel-header p,
.topbar p {
  color: var(--muted);
}

.stack-form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--text);
  font-weight: 750;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 6px;
  color: var(--text);
  padding: 11px 12px;
}

textarea { resize: vertical; min-height: 42px; }

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(15, 118, 110, .14);
  border-color: var(--primary);
}

.primary-btn,
.ghost-btn,
.icon-btn {
  min-height: 42px;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.primary-btn {
  background: var(--primary);
  color: #fff;
  padding: 10px 16px;
}

.primary-btn:hover { background: var(--primary-dark); }

.ghost-btn {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 14px;
}

.icon-btn {
  width: 42px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 28px;
  line-height: 1;
}

.form-message {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.dashboard {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: #111827;
  color: #fff;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-brand {
  min-height: 56px;
  color: #fff;
  text-decoration: none;
}

.side-nav {
  display: grid;
  gap: 6px;
}

.side-nav a {
  color: rgba(255, 255, 255, .82);
  text-decoration: none;
  padding: 11px 12px;
  border-radius: 6px;
  font-weight: 750;
}

.side-nav a:hover,
.side-nav a:focus {
  background: rgba(255, 255, 255, .1);
  color: #fff;
}

.session-box {
  margin-top: auto;
  display: grid;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .14);
}

.session-box span {
  color: rgba(255, 255, 255, .7);
  font-size: 13px;
}

.workspace {
  min-width: 0;
  padding: 24px;
}

.topbar,
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.topbar {
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 12px;
  font-weight: 900;
}

.topbar h1 {
  font-size: 34px;
  margin-bottom: 0;
}

.topbar-actions,
.filters,
.calendar-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filters {
  justify-content: flex-end;
}

.search-field {
  min-width: 220px;
  margin: 0;
}

.search-field input {
  min-height: 42px;
  text-transform: uppercase;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  min-height: 112px;
  box-shadow: 0 8px 22px rgba(23, 32, 51, .04);
}

.stat strong {
  display: block;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1;
  margin-bottom: 12px;
}

.stat span {
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 18px;
  margin-bottom: 18px;
}

.panel-header.compact {
  margin-bottom: 8px;
}

.table-wrap {
  overflow: auto;
  margin-top: 12px;
}

table {
  width: 100%;
  min-width: 1120px;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
  padding: 12px 10px;
  font-size: 14px;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

td small {
  color: var(--muted);
  display: block;
  line-height: 1.5;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  background: #eef2ff;
  color: #3730a3;
  margin-bottom: 8px;
}

.status-pill.Confirmed { background: #ecfdf3; color: #027a48; }
.status-pill.Cancelled { background: #fef3f2; color: var(--red); }
.status-pill.Completed { background: #eff8ff; color: var(--blue); }

.status-cell {
  min-width: 168px;
}

.notes-input {
  min-width: 220px;
}

.save-status {
  margin-top: 8px;
  width: 100%;
}

.status-cell .resend-email {
  width: 100%;
  margin-top: 8px;
}

.calendar-panel {
  overflow: hidden;
}

.calendar-legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 6px 0 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
}

.dot.available { background: var(--primary); }
.dot.limited { background: var(--amber); }
.dot.full { background: var(--red); }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(118px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  overflow: auto;
}

.calendar-head,
.calendar-day,
.calendar-empty {
  background: var(--surface);
  min-height: 116px;
  padding: 10px;
}

.calendar-head {
  min-height: 42px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 900;
}

.calendar-empty {
  background: #f1f5f9;
}

.calendar-day {
  display: grid;
  align-content: start;
  gap: 8px;
}

.calendar-day time {
  font-weight: 900;
}

.day-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.day-line b {
  color: var(--text);
}

.day-line.available b { color: var(--primary); }
.day-line.limited b { color: var(--amber); }
.day-line.full b { color: var(--red); }

.block-note {
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(280px, 390px) 1fr;
  gap: 18px;
}

.blocked-list {
  display: grid;
  gap: 10px;
}

.blocked-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.blocked-item strong {
  display: block;
  margin-bottom: 4px;
}

.blocked-item small {
  color: var(--muted);
}

.user-form {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr 1fr .8fr auto;
  gap: 10px;
  margin: 12px 0;
}

.users-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.soft-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #f0fdfa;
  color: var(--primary);
  font-weight: 900;
  font-size: 12px;
}

.settings-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.settings-form fieldset,
.settings-preview {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.settings-form fieldset {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.settings-form fieldset:last-of-type {
  grid-column: 1 / -1;
}

.settings-form legend {
  color: var(--primary);
  font-weight: 900;
  padding: 0 6px;
}

.settings-preview {
  grid-column: 1 / -1;
  background: #f8fafc;
}

.settings-preview h3 {
  margin: 0 0 10px;
}

.email-test-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .8fr);
  gap: 14px;
  align-items: end;
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: linear-gradient(135deg, #f8fafc, #ffffff);
}

.email-test-card h3,
.email-test-card p {
  margin: 0;
}

.email-test-card h3 {
  color: var(--text);
}

.email-test-card p {
  color: var(--muted);
  font-weight: 700;
  line-height: 1.5;
}

.email-test-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.email-test-card > .form-message {
  grid-column: 1 / -1;
  margin: 0;
}

.form-message.error {
  color: #b91c1c;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.preview-grid div {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.preview-grid span,
.preview-grid small {
  display: block;
  color: var(--muted);
  font-weight: 800;
  font-size: 12px;
}

.preview-grid strong {
  display: block;
  margin: 5px 0;
  color: var(--text);
  font-size: 18px;
  word-break: break-word;
}

.settings-form > .primary-btn,
.settings-form > .form-message {
  grid-column: 1 / -1;
}

.user-row {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr .75fr .65fr 1fr auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.user-row .email {
  color: var(--muted);
  font-weight: 700;
  word-break: break-word;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
}

.check-row input {
  width: auto;
}

@media (max-width: 1180px) {
  .stats-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .user-form,
  .user-row,
  .settings-form,
  .preview-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .dashboard {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .side-nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .workspace {
    padding: 16px;
  }

  .topbar,
  .panel-header,
  .split-layout,
  .email-test-card {
    display: grid;
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .settings-form fieldset {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .login-view { padding: 14px; }
  .login-panel { padding: 22px; }
  .side-nav,
  .stats-grid,
  .user-form,
  .user-row,
  .settings-form,
  .email-test-form,
  .preview-grid {
    grid-template-columns: 1fr;
  }
}