:root {
  --md-primary: #88a90a;
  --md-primary-dark: #003000;
  --md-accent: #b6d644;
  --md-accent-dark: #5b7f00;
  --md-surface: #FFFFFF;
  --md-background: #ECEFF1;
  --md-on-surface: #40473f;
  --md-on-accent: #FFFFFF;
  --md-gray: #B0BEC5;
  --md-gray-light: #CFD8DC;
  --md-gray-dark: #78909C;
  --md-booking: #F9A825;
  --md-booking-bg: #FFF8E1;
  --md-booked: #E53935;
  --md-booked-bg: #FFEBEE;
  --md-free: #43A047;
  --md-free-bg: #E8F5E9;
  --md-embargo: #FF8F00;
  --md-embargo-bg: #FFF3E0;
  --md-ms-blue: #0078D4;
  --md-shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --md-shadow-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  --md-shadow-3: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  --md-radius: 4px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Roboto', sans-serif;
  background: var(--md-background);
  color: var(--md-on-surface);
  display: flex;
  justify-content: center;
  padding: 24px;
  min-height: 100vh;
}
.container { max-width: 900px; width: 100%; }

/* ═══════════════════════════════════════
   LOGIN SCREEN
   ═══════════════════════════════════════ */
.login-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
}
.login-card {
  background: var(--md-surface);
  border-radius: 12px;
  box-shadow: var(--md-shadow-3);
  padding: 48px 40px;
  max-width: 400px;
  width: 100%;
  text-align: center;
}
.login-logo {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 42px;
  font-weight: 700;
  color: var(--md-primary-dark);
  letter-spacing: 2px;
  margin-bottom: 4px;
}
.login-subtitle {
  font-size: 14px;
  color: var(--md-gray-dark);
  font-weight: 300;
  margin-bottom: 36px;
  letter-spacing: 0.3px;
}
.login-divider {
  width: 40px;
  height: 3px;
  background: var(--md-accent);
  margin: 0 auto 32px;
  border-radius: 2px;
}
.ms-login-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--md-surface);
  border: 2px solid var(--md-gray-light);
  border-radius: 8px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 500;
  color: var(--md-on-surface);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'Roboto', sans-serif;
  width: 100%;
  justify-content: center;
}
.ms-login-btn:hover {
  border-color: var(--md-ms-blue);
  background: #F0F7FF;
  box-shadow: var(--md-shadow-1);
  transform: translateY(-1px);
}
.ms-login-btn:active {
  transform: translateY(0);
}
.ms-logo {
  width: 20px; height: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}
.ms-logo div:nth-child(1) { background: #F25022; }
.ms-logo div:nth-child(2) { background: #7FBA00; }
.ms-logo div:nth-child(3) { background: #00A4EF; }
.ms-logo div:nth-child(4) { background: #FFB900; }
.login-hint {
  margin-top: 20px;
  font-size: 11px;
  color: var(--md-gray);
  font-weight: 300;
}

/* Loading spinner */
.login-loading {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
}
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--md-gray-light);
  border-top-color: var(--md-ms-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.login-loading span {
  font-size: 13px; color: var(--md-gray-dark); font-weight: 300;
}

/* ═══════════════════════════════════════
   MAIN APP (hidden initially)
   ═══════════════════════════════════════ */
.app-content { display: none; }

/* App Bar */
.app-bar {
  background: var(--md-primary-dark);
  color: white;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--md-shadow-1);
  border-radius: 8px 8px 0 0;
}
.app-bar h1 {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 20px; font-weight: 700; letter-spacing: 1px;
}
.date-nav {
  display: flex; align-items: center; gap: 2px; margin-left: auto;
}
.date-nav button {
  background: none; border: none; color: white;
  cursor: pointer; padding: 6px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
}
.date-nav button:hover { background: rgba(255,255,255,0.15); }
.date-nav button .material-icons { font-size: 22px; }
.date-label {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 13px; font-weight: 500;
  min-width: 170px; text-align: center;
  letter-spacing: 0.3px;
}
.date-label .weekday {
  font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
}
.today-btn {
  font-size: 10px; font-weight: 500;
  padding: 3px 8px; border-radius: 12px;
  background: rgba(255,255,255,0.15);
  color: white; border: 1px solid rgba(255,255,255,0.3);
  cursor: pointer; margin-left: 4px;
  transition: background 0.15s;
  font-family: 'Roboto', sans-serif;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.today-btn:hover { background: rgba(255,255,255,0.25); }

/* User bar */
.user-bar {
  background: var(--md-surface);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--md-gray-light);
}
.user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--md-accent-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: white;
  flex-shrink: 0;
}
.user-info { flex: 1; }
.user-name { font-size: 13px; font-weight: 500; }
.user-email { font-size: 11px; color: var(--md-gray-dark); font-weight: 300; }
.user-status-bar { margin-top: 2px; }
.logout-btn {
  background: none; border: none; color: var(--md-gray);
  cursor: pointer; padding: 6px; border-radius: 50%;
  display: flex; align-items: center; transition: color 0.15s;
}
.logout-btn:hover { color: var(--md-booked); }

/* ═══════════════════════════════════════
   TAB BAR
   ═══════════════════════════════════════ */
.tab-bar {
  display: flex;
  background: var(--md-surface);
  border-bottom: 1px solid var(--md-gray-light);
}
.tab {
  flex: 1;
  padding: 12px;
  text-align: center;
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--md-gray);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
  user-select: none;
}
.tab:hover { color: var(--md-on-surface); background: #FAFAFA; }
.tab.active {
  color: var(--md-accent-dark);
  border-bottom-color: var(--md-accent-dark);
}

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

/* ═══════════════════════════════════════
   ATTENDANCE LIST
   ═══════════════════════════════════════ */
.attendance-panel {
  background: var(--md-surface);
  box-shadow: var(--md-shadow-1);
}
.attendance-summary {
  padding: 16px 20px;
  display: flex;
  gap: 16px;
  border-bottom: 1px solid var(--md-gray-light);
}
.summary-card {
  flex: 1;
  background: var(--md-background);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}
.summary-card .num {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 28px;
  font-weight: 700;
}
.summary-card .label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--md-gray-dark);
  margin-top: 2px;
}
.num-present { color: var(--md-free); }
.num-remote { color: var(--md-ms-blue); }
.num-absent { color: var(--md-gray); }

.attendance-list { padding: 0; }
.attendance-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--md-gray-light);
  transition: background 0.1s;
}
.attendance-item:last-child { border-bottom: none; }
.attendance-item:hover { background: #FAFAFA; }
.att-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: white;
  flex-shrink: 0;
}
.att-info { flex: 1; }
.att-name { font-size: 13px; font-weight: 500; }
.att-team { font-size: 11px; color: var(--md-gray-dark); font-weight: 300; }
.att-status {
  font-size: 11px; font-weight: 500;
  padding: 3px 10px; border-radius: 12px;
  display: flex; align-items: center; gap: 4px;
}
.att-status .material-icons { font-size: 14px; }
.status-office { background: var(--md-free-bg); color: var(--md-free); }
.status-remote { background: #E3F2FD; color: #1565C0; }
.status-absent { background: #ECEFF1; color: var(--md-gray-dark); }
.att-desk {
  font-size: 11px; color: var(--md-gray-dark);
  font-family: 'Roboto Condensed', monospace;
  min-width: 36px; text-align: center;
}

/* ═══════════════════════════════════════
   ACCORDION (Desk Booking)
   ═══════════════════════════════════════ */
.section-label {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--md-gray-dark);
  padding: 20px 20px 8px; background: var(--md-background);
}
.accordion { background: var(--md-surface); box-shadow: var(--md-shadow-1); }
.accordion:last-child { border-radius: 0 0 8px 8px; }
.accordion-item { border-bottom: 1px solid var(--md-gray-light); }
.accordion-item:last-child { border-bottom: none; }
.accordion-header {
  display: flex; align-items: center; padding: 14px 20px;
  cursor: pointer; user-select: none; transition: background 0.15s; gap: 12px;
}
.accordion-header:hover { background: #F5F5F5; }
.accordion-icon {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.accordion-icon .material-icons { font-size: 20px; color: white; }
.icon-green { background: var(--md-accent-dark); }
.icon-dark { background: var(--md-primary-dark); }
.icon-gray { background: var(--md-gray); }
.icon-booking { background: var(--md-booking); }
.icon-embargo { background: var(--md-embargo); }
.accordion-title { flex: 1; }
.accordion-title h3 {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 15px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px;
}
.accordion-title .sub { font-size: 12px; color: var(--md-gray-dark); font-weight: 300; margin-top: 2px; }
.accordion-badge {
  font-size: 11px; font-weight: 500; padding: 3px 10px;
  border-radius: 12px; flex-shrink: 0;
}
.badge-desks { background: #E8F5E9; color: var(--md-accent-dark); }
.badge-booking { background: var(--md-booking-bg); color: #F57F17; }
.badge-infra { background: #ECEFF1; color: var(--md-gray-dark); }
.badge-embargo { background: var(--md-embargo-bg); color: var(--md-embargo); }
.badge-couch { background: #E8EAF6; color: #3949AB; }
.accordion-chevron {
  color: var(--md-gray); transition: transform 0.25s ease; flex-shrink: 0;
}
.accordion-item.open .accordion-chevron { transform: rotate(180deg); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.accordion-item.open .accordion-body { max-height: 500px; }
.accordion-content { padding: 0 20px 16px 68px; }

.desk-list { display: flex; flex-wrap: wrap; gap: 8px; padding: 4px 0 8px; }
.desk-chip {
  display: flex; align-items: center; gap: 5px;
  padding: 6px 12px; border-radius: 16px;
  font-size: 12px; font-weight: 500;
  cursor: pointer; user-select: none;
  transition: all 0.2s ease;
  border: 2px solid transparent;
}
.desk-chip .material-icons { font-size: 14px; }
.desk-chip.free {
  background: var(--md-free-bg); color: var(--md-free); border-color: #C8E6C9;
}
.desk-chip.free:hover {
  background: #C8E6C9; border-color: var(--md-free);
  transform: translateY(-1px); box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}
.desk-chip.booked {
  background: var(--md-booked-bg); color: var(--md-booked);
  border-color: #FFCDD2; cursor: default;
}
.desk-chip.mine {
  background: #E3F2FD; color: #1565C0;
  border-color: #90CAF9;
}
.desk-chip.embargo {
  background: var(--md-embargo-bg); color: var(--md-embargo);
  border-color: #FFE0B2; cursor: not-allowed; opacity: 0.7;
}
.desk-chip.couch {
  background: #E8EAF6; color: #3949AB;
  border-color: #C5CAE9; cursor: default;
}
.detail-note {
  font-size: 12px; color: var(--md-gray-dark);
  font-weight: 300; font-style: italic; padding: 4px 0 0;
}
.embargo-notice {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--md-embargo);
  font-weight: 500; padding: 6px 0 4px;
}
.embargo-notice .material-icons { font-size: 16px; }
.legend {
  display: flex; gap: 16px; flex-wrap: wrap;
  padding: 8px 0 0; margin-top: 8px;
  border-top: 1px solid var(--md-gray-light);
}
.legend-item { display: flex; align-items: center; gap: 4px; font-size: 11px; color: var(--md-gray-dark); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }

.detail-row {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 0; font-size: 13px;
}
.detail-label { color: var(--md-gray-dark); min-width: 90px; font-size: 12px; }
.detail-value { font-weight: 500; }

.snackbar {
  position: fixed; bottom: -60px; left: 50%; transform: translateX(-50%);
  background: var(--md-primary-dark); color: white;
  padding: 12px 24px; border-radius: 8px;
  font-size: 14px; font-weight: 400;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: bottom 0.3s ease;
  z-index: 100; white-space: nowrap;
}
.snackbar.show { bottom: 24px; }

/* Additional styles for form-based login */
.form-group {
  margin-bottom: 12px;
}
.login-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--md-gray-light);
  border-radius: 8px;
  font-size: 14px;
  font-family: 'Roboto', sans-serif;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.login-input:focus {
  outline: none;
  border-color: var(--md-primary);
}
.flash-message {
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
}
.flash-error {
  background: var(--md-booked-bg);
  color: var(--md-booked);
}

/* ═══════════════════════════════════════
   ADMIN AREA
   ═══════════════════════════════════════ */
.admin-title {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 13px; font-weight: 500;
  background: rgba(255,255,255,0.15);
  padding: 3px 10px; border-radius: 12px;
  text-transform: uppercase; letter-spacing: 1px;
}
.admin-back-link {
  margin-left: auto;
  color: white; text-decoration: none;
  display: flex; align-items: center; gap: 4px;
  font-size: 13px; font-weight: 400;
  padding: 6px 12px; border-radius: 16px;
  transition: background 0.15s;
}
.admin-back-link:hover { background: rgba(255,255,255,0.15); }
.tab a, a.tab { text-decoration: none; color: inherit; }
.admin-body { background: var(--md-surface); padding: 20px; }
.admin-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}
.admin-card {
  background: var(--md-background);
  border-radius: 8px;
  padding: 20px 16px;
  text-align: center;
}
.admin-card .material-icons {
  font-size: 28px; color: var(--md-gray-dark);
  margin-bottom: 8px;
}
.admin-card-num {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 32px; font-weight: 700; color: var(--md-primary-dark);
}
.admin-card-label {
  font-size: 11px; text-transform: uppercase;
  letter-spacing: 1px; color: var(--md-gray-dark); margin-top: 4px;
}

/* Admin tables */
.admin-table {
  width: 100%; border-collapse: collapse;
}
.admin-table th {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--md-gray-dark); text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--md-gray-light);
}
.admin-table td {
  padding: 10px 12px; font-size: 13px;
  border-bottom: 1px solid var(--md-gray-light);
}
.admin-table tr:hover td { background: #FAFAFA; }
.admin-table .actions { white-space: nowrap; }

/* Admin buttons */
.admin-btn {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 14px; border-radius: 16px;
  font-size: 12px; font-weight: 500;
  font-family: 'Roboto', sans-serif;
  border: none; cursor: pointer;
  transition: all 0.15s; text-decoration: none;
}
.admin-btn .material-icons { font-size: 16px; }
.admin-btn-primary {
  background: var(--md-accent-dark); color: white;
}
.admin-btn-primary:hover { background: var(--md-accent); }
.admin-btn-edit {
  background: #E3F2FD; color: #1565C0;
}
.admin-btn-edit:hover { background: #BBDEFB; }
.admin-btn-delete {
  background: var(--md-booked-bg); color: var(--md-booked);
}
.admin-btn-delete:hover { background: #FFCDD2; }
.admin-btn-back {
  background: var(--md-background); color: var(--md-on-surface);
}
.admin-btn-back:hover { background: var(--md-gray-light); }

.admin-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.admin-toolbar h2 {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 18px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.8px;
}

/* Admin forms */
.admin-form { max-width: 480px; }
.admin-form .form-group { margin-bottom: 16px; }
.admin-form label {
  display: block; font-size: 12px; font-weight: 500;
  color: var(--md-gray-dark); margin-bottom: 4px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.admin-form .login-input { font-size: 13px; padding: 10px 14px; }
.admin-form select {
  width: 100%; padding: 10px 14px;
  border: 2px solid var(--md-gray-light); border-radius: 8px;
  font-size: 13px; font-family: 'Roboto', sans-serif;
  background: white; transition: border-color 0.2s;
}
.admin-form select:focus {
  outline: none; border-color: var(--md-primary);
}
.admin-form .form-actions {
  display: flex; gap: 8px; margin-top: 24px;
}
.admin-form .form-check {
  display: flex; align-items: center; gap: 8px;
}
.admin-form .form-check input[type="checkbox"] {
  width: 18px; height: 18px; accent-color: var(--md-accent-dark);
}
.admin-form .form-error {
  color: var(--md-booked); font-size: 12px; margin-top: 4px;
}
.admin-badge {
  font-size: 11px; font-weight: 500; padding: 2px 8px;
  border-radius: 10px; display: inline-block;
}
.admin-badge-admin { background: #FFF3E0; color: #E65100; }
.admin-badge-user { background: #E8F5E9; color: var(--md-accent-dark); }

/* Admin filter bar */
.admin-filter {
  display: flex; gap: 12px; align-items: center;
  margin-bottom: 16px; flex-wrap: wrap;
}
.admin-filter select, .admin-filter input {
  padding: 8px 12px; border: 2px solid var(--md-gray-light);
  border-radius: 8px; font-size: 13px; font-family: 'Roboto', sans-serif;
}