/* ── App Shell ───────────────────────────────────────────────────────────── */
.app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── Topbar ──────────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 56px;
  padding: 0 20px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  z-index: 100;
}

.topbar-logo {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
}

.topbar-spacer { flex: 1; }

.topbar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text);
}

.topbar-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
}

.topbar-btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}
.topbar-btn:hover { background: var(--color-bg); color: var(--color-text); }

/* ── Main content area ───────────────────────────────────────────────────── */
.main-area {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: 16px 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 8px;
}

/* Mini calendar */
.mini-cal {
  width: 100%;
}

.mini-cal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.mini-cal-title {
  font-size: 13px;
  font-weight: 600;
}

.mini-cal-nav {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 14px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.mini-cal-nav:hover { background: var(--color-bg); }

.mini-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  text-align: center;
  font-size: 11px;
}

.mini-cal-dow {
  color: var(--color-text-muted);
  font-weight: 600;
  padding: 2px 0;
}

.mini-cal-day {
  padding: 3px 0;
  border-radius: 50%;
  cursor: pointer;
  color: var(--color-text);
  line-height: 20px;
  width: 22px;
  height: 22px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  transition: background var(--transition);
}
.mini-cal-day:hover { background: var(--color-bg); }
.mini-cal-day.other-month { color: var(--color-text-muted); }
.mini-cal-day.today {
  background: var(--color-today-bg);
  color: var(--color-today-text);
  font-weight: 700;
}
.mini-cal-day.selected:not(.today) {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

/* Member legend */
.member-list, .category-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.member-item, .category-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  transition: background var(--transition);
  user-select: none;
}
.member-item:hover, .category-item:hover { background: var(--color-bg); }
.member-item.inactive, .category-item.inactive { opacity: 0.4; }

.member-dot, .category-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Calendar Content ────────────────────────────────────────────────────── */
.cal-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-surface);
}

/* View toolbar */
.view-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.nav-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 16px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.nav-btn:hover { background: var(--color-bg); }

.today-btn {
  padding: 6px 16px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  transition: background var(--transition), border-color var(--transition);
}
.today-btn:hover { background: var(--color-bg); border-color: #bbb; }

.view-title {
  font-size: 20px;
  font-weight: 500;
  flex: 1;
}

.view-tabs {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.view-tab {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  border-right: 1px solid var(--color-border);
  transition: background var(--transition), color var(--transition);
}
.view-tab:last-child { border-right: none; }
.view-tab:hover { background: var(--color-bg); color: var(--color-text); }
.view-tab.active {
  background: var(--color-primary);
  color: #fff;
}

/* View container */
.view-container {
  flex: 1;
  overflow: hidden;
}

/* ── FAB ─────────────────────────────────────────────────────────────────── */
.fab {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 200;
  transition: box-shadow var(--transition), transform var(--transition);
}
.fab:hover {
  box-shadow: var(--shadow-lg);
  transform: scale(1.05);
}

/* ── Login page ──────────────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e8f0fe 0%, #f8f9fa 100%);
}

.login-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  width: 360px;
  box-shadow: var(--shadow-lg);
}

.login-logo {
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.login-subtitle {
  text-align: center;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,115,232,.15);
}

.btn-primary {
  width: 100%;
  padding: 10px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  transition: background var(--transition), box-shadow var(--transition);
}
.btn-primary:hover { background: #1557b0; }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.error-msg {
  color: var(--color-danger);
  font-size: 13px;
  margin-top: 10px;
  text-align: center;
}

/* ── Admin page ──────────────────────────────────────────────────────────── */
.admin-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.admin-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.admin-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.admin-section h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table th {
  text-align: left;
  padding: 8px 12px;
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-border);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--color-text-muted);
}
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
}
.data-table tr:last-child td { border-bottom: none; }

.color-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  vertical-align: middle;
  margin-right: 6px;
}

.btn-sm {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  transition: background var(--transition);
}
.btn-sm.btn-outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn-sm.btn-outline:hover { background: var(--color-bg); }
.btn-sm.btn-danger {
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
}
.btn-sm.btn-danger:hover { background: #fce8e6; }
.btn-sm.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-sm.btn-primary:hover { background: #1557b0; }

.add-row {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.add-row input, .add-row select {
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  flex: 1;
  min-width: 100px;
}
.add-row input:focus, .add-row select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(26,115,232,.12);
}