/* ===========================
   ADMIN DASHBOARD — Pink & White
   =========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --pink-deep:  #c2185b;
  --pink-mid:   #e91e8c;
  --pink-soft:  #f48fb1;
  --pink-light: #fce4ec;
  --pink-pale:  #fff0f5;
  --off-white:  #fdf8fb;
  --white:      #ffffff;
  --dark:       #2b0a1e;
  --mid:        #7b3560;
  --light-text: #b06090;
  --border:     #fad4e8;
  --accent:     #e91e8c;
  --shadow:     0 2px 16px rgba(233,30,140,0.1);
  --shadow-md:  0 4px 24px rgba(233,30,140,0.14);
  --radius:     14px;
  --font:       'Inter', sans-serif;
  --sidebar-w:  240px;
}

body {
  font-family: var(--font);
  background: var(--off-white);
  color: var(--dark);
  display: flex;
  min-height: 100vh;
}

/* ── SIDEBAR ── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: linear-gradient(180deg, #880e4f 0%, #c2185b 60%, #e91e8c 100%);
  display: flex;
  flex-direction: column;
  padding: 28px 0 24px;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 0 20px 28px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.5px;
  text-align: center;
}

.sidebar-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2));
}

.sidebar-nav {
  flex: 1;
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: all .2s;
  border-left: 3px solid transparent;
}

.nav-link i { width: 18px; text-align: center; }

.nav-link:hover, .nav-link.active {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-left-color: #fff;
}

.back-link {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 16px;
  padding: 10px 16px;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: 0.85rem;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  transition: all .2s;
}

.back-link:hover { background: rgba(255,255,255,0.12); color: #fff; }

/* ── MAIN CONTENT ── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 32px;
  min-height: 100vh;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  color: var(--dark);
}

.page-sub { color: var(--light-text); font-size: 0.92rem; margin-top: 4px; }

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.refresh-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1.5px solid var(--border);
  color: var(--mid);
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: all .2s;
}

.refresh-btn:hover { border-color: var(--accent); color: var(--accent); }

.trainer-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--pink-light);
  color: var(--pink-deep);
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 700;
}

/* ── SECTIONS ── */
.dash-section { display: block; }
.dash-section.hidden { display: none; }

/* ── KPI CARDS ── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.kpi-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: var(--shadow);
  border-top: 4px solid transparent;
}

.kpi-card.pink  { border-top-color: #e91e8c; }
.kpi-card.rose  { border-top-color: #c2185b; }
.kpi-card.blush { border-top-color: #f48fb1; }
.kpi-card.mauve { border-top-color: #ad1457; }

.kpi-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.kpi-card.pink  .kpi-icon { background: #fce4ec; color: #e91e8c; }
.kpi-card.rose  .kpi-icon { background: #fce4ec; color: #c2185b; }
.kpi-card.blush .kpi-icon { background: #fce4ec; color: #f48fb1; }
.kpi-card.mauve .kpi-icon { background: #fce4ec; color: #ad1457; }

.kpi-info { display: flex; flex-direction: column; gap: 4px; }
.kpi-label { font-size: 0.78rem; color: var(--light-text); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-value { font-size: 2rem; font-weight: 800; color: var(--dark); line-height: 1; }

/* ── CHARTS ── */
.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.chart-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.chart-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-title i { color: var(--accent); }

/* ── TABLES ── */
.table-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.table-wrap { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.data-table th {
  background: var(--pink-pale);
  color: var(--pink-deep);
  font-weight: 700;
  padding: 12px 14px;
  text-align: left;
  white-space: nowrap;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--dark);
  vertical-align: middle;
}

.data-table tbody tr:hover { background: var(--pink-pale); }
.data-table tbody tr:last-child td { border-bottom: none; }

.loading-cell { text-align: center; color: var(--light-text); padding: 32px !important; }

/* Status badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}
.badge-confirmed { background: #e8f5e9; color: #2e7d32; }
.badge-cancelled { background: #fdecea; color: #c62828; }
.badge-low       { background: #fff3e0; color: #e65100; }

/* Progress bar */
.progress-wrap { display: flex; align-items: center; gap: 8px; min-width: 120px; }
.progress-bar-track {
  flex: 1;
  height: 8px;
  background: var(--pink-light);
  border-radius: 4px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--pink-mid), var(--pink-deep));
  border-radius: 4px;
  transition: width .4s ease;
}
.progress-pct { font-size: 0.75rem; color: var(--mid); font-weight: 600; white-space: nowrap; }

/* ── CLIENTS GRID ── */
.section-toolbar {
  margin-bottom: 20px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.search-input {
  padding: 10px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.92rem;
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  width: 280px;
  transition: border-color .2s;
}

.search-input:focus { outline: none; border-color: var(--accent); }

.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.client-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--accent);
  transition: transform .2s, box-shadow .2s;
}

.client-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.client-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.client-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink-mid), var(--pink-deep));
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.client-card-name { font-weight: 700; font-size: 1rem; color: var(--dark); }
.client-card-email { font-size: 0.8rem; color: var(--light-text); }

.client-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.client-stat {
  background: var(--pink-pale);
  border-radius: 8px;
  padding: 10px 8px;
  text-align: center;
}

.client-stat-val  { display: block; font-size: 1.4rem; font-weight: 800; color: var(--accent); }
.client-stat-lbl  { display: block; font-size: 0.68rem; color: var(--mid); font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }

.client-progress { margin-bottom: 12px; }
.client-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--mid);
  margin-bottom: 6px;
  font-weight: 600;
}

.client-pkg-badge {
  display: inline-block;
  background: var(--pink-light);
  color: var(--pink-deep);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
}

.client-low-warning {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #fff3e0;
  color: #e65100;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 8px;
  margin-top: 10px;
}

/* ── PACKAGES FORM ── */
.section-desc { color: var(--mid); margin-bottom: 24px; font-size: 0.95rem; }

.package-form-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  max-width: 900px;
}

.package-form-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.package-form-card h3 i { color: var(--accent); }

.pkg-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--mid);
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-group label i { color: var(--pink-soft); }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 0.92rem;
  font-family: var(--font);
  color: var(--dark);
  background: var(--pink-pale);
  transition: border-color .2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
}

.form-group textarea { resize: vertical; }

.save-pkg-btn {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--pink-mid), var(--pink-deep));
  color: #fff;
  border: none;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font);
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 4px 18px rgba(233,30,140,0.3);
}

.save-pkg-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(233,30,140,0.4); }

.pkg-success {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  color: #2e7d32;
  font-weight: 600;
  font-size: 0.92rem;
  background: #e8f5e9;
  padding: 10px 18px;
  border-radius: 8px;
}

.pkg-success.hidden { display: none; }

/* Cancel booking btn */
.cancel-btn {
  background: none;
  border: 1px solid #e57373;
  color: #e57373;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.78rem;
  cursor: pointer;
  font-family: var(--font);
  font-weight: 600;
  transition: all .2s;
}
.cancel-btn:hover { background: #fdecea; }

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--dark);
  color: #fff;
  padding: 14px 24px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .3s, transform .3s;
  z-index: 9999;
  pointer-events: none;
  max-width: 320px;
}

.toast.show { opacity: 1; transform: translateY(0); }

/* ── AVAILABILITY ── */
.avail-week-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.avail-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.avail-dur {
  padding: 7px 18px;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  background: var(--white);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--mid);
  cursor: pointer;
  transition: all .2s;
}

.avail-dur.active,
.avail-dur:hover {
  border-color: var(--accent);
  background: var(--pink-light);
  color: var(--accent);
}

.avail-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.avail-day-col {
  background: var(--white);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  overflow: hidden;
}

.avail-day-header {
  padding: 10px 8px;
  text-align: center;
  font-weight: 700;
  font-size: 0.78rem;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, var(--pink-mid), var(--pink-deep));
}

.avail-day-header .avail-date {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  opacity: 0.88;
  margin-top: 2px;
}

.avail-slots-list {
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 420px;
  overflow-y: auto;
}

.avail-slot {
  width: 100%;
  padding: 7px 8px;
  border-radius: 7px;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  text-align: left;
  transition: all .18s;
  display: flex;
  align-items: center;
  gap: 5px;
}

.avail-slot.open {
  background: #e8f5e9;
  color: #2e7d32;
  border-color: #a5d6a7;
}

.avail-slot.open:hover {
  background: #c8e6c9;
}

.avail-slot.blocked {
  background: #fdecea;
  color: #c62828;
  border-color: #ef9a9a;
  cursor: pointer;
}

.avail-slot.blocked:hover {
  background: #ffcdd2;
}

.avail-slot.booked {
  background: #f3e5f5;
  color: #6a1b9a;
  border-color: #ce93d8;
  cursor: default;
}

.avail-slot i { font-size: 0.7rem; }

.avail-slot .slot-reason {
  font-size: 0.68rem;
  font-weight: 400;
  opacity: 0.75;
  margin-left: auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 60px;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0; padding: 20px 16px; }
  .charts-row { grid-template-columns: 1fr; }
  .pkg-form-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .pkg-form-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: 1fr; }
}