/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  background: #f4f6f9;
  color: #1a202c;
  line-height: 1.6;
  min-height: 100vh;
}

/* ============================================
   CONTAINER
   ============================================ */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ============================================
   HEADER (PUBLIC)
   ============================================ */
header {
  background: linear-gradient(135deg, #1a202c 0%, #2d3748 55%, #E53E3E 100%);
  color: #fff;
  padding: 50px 24px 44px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
header::before {
  content:''; position:absolute; top:-60px; right:-60px;
  width:220px; height:220px; border-radius:50%;
  background:rgba(255,255,255,0.05);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto 18px;
}
.logo { font-size:2rem; font-weight:800; color:#fff; }
.admin-link-btn {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  font-family: inherit;
}
.admin-link-btn:hover { background: rgba(255,255,255,0.25); }
.tagline  { font-size:1.5rem; font-weight:700; color:#fff; margin-bottom:6px; }
.sub-tagline { font-size:0.95rem; color:rgba(255,255,255,0.72); }

/* ============================================
   INPUT SECTION
   ============================================ */
.input-section { padding: 48px 0 36px; }
.input-section h2 { font-size:1.6rem; font-weight:700; margin-bottom:6px; }
.section-desc { color:#718096; margin-bottom:24px; font-size:0.95rem; }
.input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.input-group { display:flex; flex-direction:column; gap:6px; }
.input-group label {
  font-size:0.8rem; font-weight:600; color:#4a5568;
  text-transform:uppercase; letter-spacing:0.5px;
}
.input-group input,
.input-group select,
.input-group textarea {
  padding: 11px 13px;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  font-size: 0.95rem;
  color: #1a202c;
  background: #fff;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
  width: 100%;
}
.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
  border-color: #3182CE;
  box-shadow: 0 0 0 3px rgba(49,130,206,0.15);
}
.input-group textarea { resize: vertical; }

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, #E53E3E, #C53030);
  color: #fff; border: none;
  padding: 13px 32px; border-radius: 12px;
  font-size: 0.97rem; font-weight: 700; cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(229,62,62,0.35);
  font-family: inherit;
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(229,62,62,0.45); }
.btn-primary:active { transform:translateY(0); }

.btn-sm {
  padding: 7px 14px; border-radius: 8px; font-size: 0.82rem;
  font-weight: 600; cursor: pointer; border: none; font-family: inherit;
  transition: opacity 0.2s;
}
.btn-sm:hover { opacity: 0.85; }
.btn-red   { background:#E53E3E; color:#fff; }
.btn-blue  { background:#3182CE; color:#fff; }
.btn-green { background:#38A169; color:#fff; }
.btn-grey  { background:#e2e8f0; color:#4a5568; }

.btn-blue-full, .btn-green-full {
  width: 100%; padding: 13px; border-radius: 10px; border: none;
  font-size: 0.97rem; font-weight: 700; cursor: pointer; font-family: inherit;
  transition: opacity 0.2s, transform 0.15s;
}
.btn-blue-full  { background:#3182CE; color:#fff; }
.btn-green-full { background:#38A169; color:#fff; }
.btn-blue-full:hover, .btn-green-full:hover { opacity:0.88; transform:translateY(-1px); }
.btn-blue-full:disabled, .btn-green-full:disabled { opacity:0.4; cursor:not-allowed; transform:none; }

/* ============================================
   STATS BAR (PUBLIC)
   ============================================ */
.stats-bar { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:28px; }
.stat-card {
  flex:1; min-width:130px; background:#fff;
  border-radius:14px; padding:16px 18px;
  box-shadow:0 2px 12px rgba(0,0,0,0.07);
  text-align:center; border-top:4px solid var(--accent);
  transition:transform 0.2s;
}
.stat-card:hover { transform:translateY(-3px); }
.stat-number { font-size:1.9rem; font-weight:800; color:var(--accent); }
.stat-label { font-size:0.75rem; font-weight:600; color:#718096; text-transform:uppercase; letter-spacing:0.4px; margin-top:2px; }

/* ============================================
   RESULTS / SLOTS
   ============================================ */
.results-section { padding: 0 0 48px; }
.results-title { font-size:1.4rem; font-weight:700; margin-bottom:6px; }
.results-subtitle { color:#718096; font-size:0.9rem; margin-bottom:20px; }

.slots-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(180px,1fr)); gap:14px; }
.slot-card {
  background:#fff; border-radius:14px; padding:18px 14px;
  box-shadow:0 2px 10px rgba(0,0,0,0.07); text-align:center;
  cursor:pointer; transition:transform 0.2s, box-shadow 0.2s;
  border:2px solid transparent;
}
.slot-card:hover { transform:translateY(-4px); box-shadow:0 8px 24px rgba(0,0,0,0.12); border-color:#3182CE; }
.slot-card.booked { background:#f7fafc; cursor:not-allowed; opacity:0.6; }
.slot-card.booked:hover { transform:none; box-shadow:0 2px 10px rgba(0,0,0,0.07); border-color:transparent; }
.slot-card.blocked { background:#f7fafc; cursor:not-allowed; opacity:0.5; }
.slot-card.blocked:hover { transform:none; box-shadow:0 2px 10px rgba(0,0,0,0.07); border-color:transparent; }
.slot-time { font-size:1.3rem; font-weight:800; color:#1a202c; margin-bottom:5px; }
.slot-stylist { font-size:0.8rem; color:#718096; font-weight:600; margin-bottom:8px; }

.slot-badge {
  display:inline-block; padding:3px 11px; border-radius:20px;
  font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:0.4px;
}
.badge-available { background:#c6f6d5; color:#276749; }
.badge-booked    { background:#fed7d7; color:#9B2C2C; }
.badge-almost    { background:#fefcbf; color:#975a16; }
.badge-blocked   { background:#e2e8f0; color:#4a5568; }
.badge-confirmed { background:#c6f6d5; color:#276749; }
.badge-cancelled { background:#fed7d7; color:#9B2C2C; }

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-section { background:#fff; padding:56px 0; }
.how-section h2 { text-align:center; font-size:1.6rem; font-weight:700; margin-bottom:32px; }
.steps-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(190px,1fr)); gap:22px; }
.step-card {
  text-align:center; padding:26px 18px; border-radius:16px; background:#f7fafc;
  transition:transform 0.2s, box-shadow 0.2s;
}
.step-card:hover { transform:translateY(-4px); box-shadow:0 8px 24px rgba(0,0,0,0.09); }
.step-icon {
  width:50px; height:50px; border-radius:50%; color:#fff;
  font-size:1.2rem; font-weight:800; display:flex; align-items:center;
  justify-content:center; margin:0 auto 14px;
  box-shadow:0 4px 12px rgba(0,0,0,0.18);
}
.step-card h4 { font-size:0.97rem; font-weight:700; margin-bottom:7px; }
.step-card p  { font-size:0.85rem; color:#718096; line-height:1.5; }

/* ============================================
   FOOTER
   ============================================ */
footer { background:#1a202c; color:rgba(255,255,255,0.85); text-align:center; padding:30px 24px; font-size:0.88rem; }

/* ============================================
   ADMIN LAYOUT
   ============================================ */
.admin-layout { display:flex; min-height:100vh; }

/* --- Sidebar --- */
.admin-sidebar {
  width: 230px;
  min-width: 230px;
  background: #1a202c;
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 0;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 200;
  transition: transform 0.3s;
}
.sidebar-brand { padding: 28px 20px 20px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.sidebar-logo  { font-size:1.3rem; font-weight:800; color:#fff; }
.sidebar-role  { font-size:0.75rem; color:rgba(255,255,255,0.45); margin-top:3px; }

.sidebar-nav { flex:1; padding:16px 0; overflow-y:auto; }
.nav-item {
  display:block; padding:12px 20px; color:rgba(255,255,255,0.65);
  text-decoration:none; font-size:0.9rem; font-weight:500;
  transition:background 0.15s, color 0.15s; border-left:3px solid transparent;
}
.nav-item:hover  { background:rgba(255,255,255,0.07); color:#fff; }
.nav-item.active { background:rgba(255,255,255,0.1); color:#fff; border-left-color:#E53E3E; }

.sidebar-bottom { padding:16px; border-top:1px solid rgba(255,255,255,0.08); display:flex; flex-direction:column; gap:8px; }
.btn-sidebar-action {
  width:100%; padding:10px; border-radius:8px; border:1px solid rgba(255,255,255,0.2);
  background:transparent; color:rgba(255,255,255,0.75); font-size:0.85rem;
  font-weight:600; cursor:pointer; transition:background 0.2s; font-family:inherit;
}
.btn-sidebar-action:hover { background:rgba(255,255,255,0.1); color:#fff; }
.btn-sidebar-action.danger { border-color:rgba(229,62,62,0.5); color:#fc8181; }
.btn-sidebar-action.danger:hover { background:rgba(229,62,62,0.15); }

/* --- Main content --- */
.admin-main {
  margin-left: 230px;
  flex: 1;
  min-height: 100vh;
  background: #f4f6f9;
  padding: 36px 32px;
  overflow-x: hidden;
}

/* Mobile header (hidden on desktop) */
.admin-mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.hamburger {
  background:none; border:none; font-size:1.4rem; cursor:pointer; color:#1a202c;
}

/* --- Panels --- */
.admin-panel { display:none; }
.admin-panel.active { display:block; }

.panel-title { font-size:1.6rem; font-weight:800; color:#1a202c; margin-bottom:6px; }
.panel-desc  { color:#718096; font-size:0.92rem; margin-bottom:24px; }

.panel-top-row {
  display:flex; align-items:flex-start; justify-content:space-between;
  flex-wrap:wrap; gap:12px; margin-bottom:20px;
}
.panel-filter-row {
  display:flex; gap:10px; flex-wrap:wrap; align-items:center;
}
.panel-filter-row input,
.panel-filter-row select {
  padding: 8px 12px; border:2px solid #e2e8f0; border-radius:8px;
  font-size:0.85rem; font-family:inherit; background:#fff; outline:none;
  color:#1a202c;
}
.panel-filter-row input:focus,
.panel-filter-row select:focus { border-color:#3182CE; }

/* ============================================
   ADMIN STAT GRID
   ============================================ */
.admin-stat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:16px; margin-bottom:32px; }
.admin-stat-card {
  background:#fff; border-radius:14px; padding:20px 22px;
  box-shadow:0 2px 12px rgba(0,0,0,0.07); border-left:5px solid var(--color);
}
.admin-stat-card .asc-number { font-size:2rem; font-weight:800; color:var(--color); }
.admin-stat-card .asc-label  { font-size:0.8rem; font-weight:600; color:#718096; text-transform:uppercase; letter-spacing:0.4px; margin-top:4px; }

/* ============================================
   SECTION BLOCK
   ============================================ */
.section-block { margin-bottom:28px; }
.block-title { font-size:1.1rem; font-weight:700; color:#1a202c; margin-bottom:14px; padding-bottom:8px; border-bottom:2px solid #e2e8f0; }

/* ============================================
   BOOKINGS TABLE
   ============================================ */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; background:#fff; border-radius:14px; overflow:hidden; box-shadow:0 2px 12px rgba(0,0,0,0.07); }
thead { background:#1a202c; color:#fff; }
thead th { padding:13px 14px; text-align:left; font-size:0.78rem; font-weight:600; text-transform:uppercase; letter-spacing:0.5px; white-space:nowrap; }
tbody tr { border-bottom:1px solid #e2e8f0; transition:background 0.15s; }
tbody tr:last-child { border-bottom:none; }
tbody tr:hover { background:#f7fafc; }
tbody td { padding:12px 14px; font-size:0.88rem; color:#2d3748; vertical-align:middle; }
.td-actions { display:flex; gap:6px; flex-wrap:wrap; }
.empty-table { text-align:center; padding:40px; color:#718096; font-size:0.92rem; }

/* ============================================
   SLOT MANAGER
   ============================================ */
.slot-mgr-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(170px,1fr)); gap:12px; }
.slot-mgr-card {
  background:#fff; border-radius:12px; padding:16px 14px;
  box-shadow:0 2px 8px rgba(0,0,0,0.07); text-align:center;
  border:2px solid transparent;
}
.slot-mgr-card.smgr-available { border-color:#c6f6d5; }
.slot-mgr-card.smgr-booked    { border-color:#fed7d7; background:#fff5f5; }
.slot-mgr-card.smgr-blocked   { border-color:#e2e8f0; background:#f7fafc; opacity:0.7; }
.smgr-time    { font-size:1.15rem; font-weight:800; margin-bottom:4px; }
.smgr-who     { font-size:0.75rem; color:#718096; margin-bottom:10px; min-height:18px; }
.smgr-btn {
  padding:5px 14px; border-radius:20px; border:none; font-size:0.75rem;
  font-weight:700; cursor:pointer; font-family:inherit; transition:opacity 0.2s;
}
.smgr-btn:hover { opacity:0.8; }
.smgr-btn-block   { background:#fed7d7; color:#9B2C2C; }
.smgr-btn-unblock { background:#c6f6d5; color:#276749; }
.smgr-btn-view    { background:#bee3f8; color:#2c5282; }

/* ============================================
   ADD CUSTOMER FORM
   ============================================ */
.add-form-grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; margin-bottom:20px; }
.add-form-col { display:flex; flex-direction:column; gap:14px; }
.form-section-title { font-size:1rem; font-weight:700; color:#1a202c; padding-bottom:8px; border-bottom:2px solid #e2e8f0; margin-bottom:4px; }

/* ============================================
   GOOGLE CALENDAR PANEL
   ============================================ */
.gcal-setup-card {
  background:#fff; border-radius:14px; padding:24px 26px;
  box-shadow:0 2px 12px rgba(0,0,0,0.07); max-width:680px;
}
.gcal-setup-card h3 { font-size:1.05rem; font-weight:700; margin-bottom:8px; }
.gcal-hint { font-size:0.87rem; color:#718096; line-height:1.6; }
.gcal-status {
  margin-top:14px; padding:10px 14px; border-radius:8px;
  font-size:0.88rem; font-weight:600;
}
.gcal-status.connected { background:#c6f6d5; color:#276749; }
.gcal-status.error     { background:#fed7d7; color:#9B2C2C; }

/* ============================================
   MODALS
   ============================================ */
.modal-overlay {
  position:fixed; inset:0; background:rgba(0,0,0,0.55);
  display:flex; align-items:center; justify-content:center;
  z-index:1000; opacity:0; pointer-events:none;
  transition:opacity 0.25s; padding:20px;
}
.modal-overlay.active { opacity:1; pointer-events:all; }
.modal {
  background:#fff; border-radius:20px; padding:36px 30px;
  max-width:420px; width:100%; position:relative;
  box-shadow:0 20px 60px rgba(0,0,0,0.25);
  transform:translateY(20px); transition:transform 0.25s;
  max-height:90vh; overflow-y:auto;
}
.modal-overlay.active .modal { transform:translateY(0); }
.modal-lg { max-width:600px; }
.modal-close {
  position:absolute; top:14px; right:14px;
  background:#f7fafc; border:none; width:30px; height:30px;
  border-radius:50%; font-size:0.82rem; cursor:pointer; color:#718096;
  display:flex; align-items:center; justify-content:center; transition:background 0.2s;
}
.modal-close:hover { background:#e2e8f0; }
.modal-icon { font-size:2.2rem; text-align:center; margin-bottom:10px; }
.modal h3   { font-size:1.2rem; font-weight:700; text-align:center; margin-bottom:16px; }
.modal-details {
  background:#f7fafc; border-radius:10px; padding:12px 16px;
  font-size:0.88rem; color:#4a5568; line-height:1.9; margin-bottom:16px;
}
.modal-details strong { color:#1a202c; }

.booking-form-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; }

.login-error { color:#E53E3E; font-size:0.85rem; margin-top:8px; }

/* View booking modal */
.view-detail-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px 20px; margin-bottom:16px; }
.view-detail-item { font-size:0.88rem; }
.view-detail-label { font-size:0.75rem; font-weight:700; text-transform:uppercase; letter-spacing:0.4px; color:#718096; }
.view-detail-value { color:#1a202c; font-weight:500; margin-top:2px; }

/* ============================================
   TOAST
   ============================================ */
.toast {
  position:fixed; bottom:28px; left:50%;
  transform:translateX(-50%) translateY(80px);
  background:#1a202c; color:#fff; padding:13px 26px;
  border-radius:40px; font-weight:700; font-size:0.92rem;
  box-shadow:0 6px 24px rgba(0,0,0,0.2); z-index:2000;
  transition:transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
  white-space:nowrap; pointer-events:none;
}
.toast.show { transform:translateX(-50%) translateY(0); }
.toast.success { background:#276749; }
.toast.error   { background:#9B2C2C; }

/* ============================================
   MINI BOOKING LIST (overview)
   ============================================ */
.mini-booking-list { display:flex; flex-direction:column; gap:10px; }
.mini-booking-card {
  background:#fff; border-radius:12px; padding:14px 18px;
  box-shadow:0 2px 8px rgba(0,0,0,0.06); display:flex;
  align-items:center; justify-content:space-between; gap:12px;
  flex-wrap:wrap;
}
.mbc-left  { display:flex; align-items:center; gap:14px; }
.mbc-time  { font-size:1.05rem; font-weight:800; color:#E53E3E; min-width:52px; }
.mbc-name  { font-weight:700; font-size:0.93rem; }
.mbc-meta  { font-size:0.8rem; color:#718096; }
.mbc-right { display:flex; gap:8px; align-items:center; }
.empty-msg { color:#718096; font-size:0.9rem; padding:16px 0; }

/* ============================================
   SCHEDULE PANEL
   ============================================ */
.schedule-card {
  background: #fff;
  border-radius: 14px;
  padding: 24px 26px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  max-width: 820px;
}
.schedule-card-title { font-size:1.05rem; font-weight:700; margin-bottom:6px; }
.schedule-card-desc  { font-size:0.87rem; color:#718096; margin-bottom:20px; }

/* Quick-generate row */
.ts-generate-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 14px;
  align-items: end;
  margin-bottom: 22px;
}
.ts-generate-btn-wrap .btn-primary { width: 100%; justify-content: center; }

/* Chip list */
.ts-sub-title { font-size:0.85rem; font-weight:700; text-transform:uppercase; letter-spacing:0.4px; color:#4a5568; margin-bottom:10px; }
.ts-chip-list { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:16px; min-height:36px; }
.ts-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: #ebf8ff; border: 1px solid #bee3f8; border-radius: 20px;
  padding: 5px 12px; font-size:0.83rem; font-weight:600; color:#2c5282;
}
.ts-remove {
  background: none; border: none; cursor: pointer; color:#718096;
  font-size: 0.75rem; padding: 0; line-height:1;
  transition: color 0.15s;
}
.ts-remove:hover { color:#E53E3E; }

/* Add slot row */
.ts-add-row {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.ts-add-row input[type="time"] {
  padding: 8px 12px; border: 2px solid #e2e8f0; border-radius: 8px;
  font-size: 0.9rem; font-family: inherit; outline: none;
}
.ts-add-row input[type="time"]:focus { border-color:#3182CE; }

/* Days off form */
.dayoff-form {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr auto;
  gap: 14px;
  align-items: end;
  margin-bottom: 6px;
}
.dayoff-btn-wrap .btn-primary { width:100%; justify-content:center; }

/* Days off list (admin) */
.dayoff-admin-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; background: #fff5f5;
  border: 1px solid #fed7d7; border-radius: 10px; margin-bottom: 8px;
  gap: 12px;
}
.dayoff-admin-date   { font-weight:700; font-size:0.92rem; color:#1a202c; }
.dayoff-admin-reason { font-size:0.82rem; color:#718096; margin-top:2px; }

/* Day-off public banner */
.dayoff-banner {
  grid-column: 1 / -1;
  text-align: center;
  background: #fff5f5;
  border: 2px solid #fed7d7;
  border-radius: 16px;
  padding: 40px 24px;
}
.dayoff-icon  { font-size: 2.8rem; margin-bottom: 12px; }
.dayoff-title { font-size: 1.2rem; font-weight: 700; color: #C53030; margin-bottom: 8px; }
.dayoff-msg   { font-size: 0.95rem; color: #718096; max-width: 440px; margin: 0 auto; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 860px) {
  .ts-generate-row { grid-template-columns: 1fr 1fr; }
  .dayoff-form     { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .admin-sidebar { transform:translateX(-100%); }
  .admin-sidebar.open { transform:translateX(0); }
  .admin-main { margin-left:0; padding:20px 16px; }
  .admin-mobile-header { display:flex; }
  .add-form-grid { grid-template-columns:1fr; }
  .booking-form-grid { grid-template-columns:1fr; }
  .view-detail-grid { grid-template-columns:1fr; }
  .panel-top-row { flex-direction:column; }
  .panel-filter-row { flex-direction:column; align-items:stretch; }
}
@media (max-width: 600px) {
  .ts-generate-row { grid-template-columns: 1fr; }
  .dayoff-form     { grid-template-columns: 1fr; }
  .tagline { font-size:1.2rem; }
  .logo    { font-size:1.6rem; }
  .input-grid  { grid-template-columns:1fr; }
  .slots-grid  { grid-template-columns:repeat(auto-fill,minmax(140px,1fr)); }
  .stats-bar   { flex-direction:column; }
  .modal       { padding:26px 18px; }
  .btn-primary { width:100%; justify-content:center; }
  .gcal-setup-card { padding:18px; }
}