* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --primary: #8B5CF6;
  --primary-hover: #7C3AED;
  --secondary: #EC4899;
  --accent: #FBBF24;
  --gradient-btn: linear-gradient(135deg, #8B5CF6, #EC4899);
  --glow: rgba(139, 92, 246, 0.4);
  --bg: #0a0a0f;
  --bg-card: #13131a;
  --bg-dark: #0d0d14;
  --bg-light: #1e1e2a;
  --border: rgba(139, 92, 246, 0.15);
  --text: #f0eef8;
  --text-muted: #8b86a5;
  --success: #10B981;
  --error: #EF4444;
  --warning: #F59E0B;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

[data-theme="light"] {
  --bg: #f5f3ff;
  --bg-card: #ffffff;
  --bg-dark: #ede9fe;
  --bg-light: #ddd6fe;
  --border: rgba(139, 92, 246, 0.2);
  --text: #1f1b2e;
  --text-muted: #6d6891;
  --shadow: 0 4px 24px rgba(139, 92, 246, 0.1);
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── Splash ─── */
.splash {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  transition: opacity 0.5s, visibility 0.5s;
}

[data-theme="light"] .landing {
  background: linear-gradient(160deg, #f5f3ff 0%, #ede9fe 40%, #ddd6fe 100%);
}

.splash.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.splash-content {
  text-align: center;
}

.splash-icon {
  width: 64px;
  height: 64px;
  color: var(--primary);
}

.splash-content h1 {
  font-size: 32px;
  margin-top: 16px;
  background: var(--gradient-btn);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ─── Landing ─── */
.landing {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #0a0a0f 0%, #13131a 40%, #1a1428 100%);
  padding: 24px;
}

.landing-content {
  max-width: 400px;
  width: 100%;
  padding: 32px 24px;
  text-align: center;
}

.landing-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

.logo-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  background: var(--gradient-btn);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--primary);
}

.landing-hero h1 {
  font-size: 34px;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 12px;
  background: var(--gradient-btn);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-hero p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 28px;
}

.features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 28px;
}

.feature {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-card);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border);
}

.feature .icon {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

/* ─── Mode Toggle ─── */
.mode-toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.mode-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.3s;
}

.mode-label.active {
  color: var(--primary);
  font-weight: 600;
}

.mode-toggle {
  width: 56px;
  height: 28px;
  background: var(--gradient-btn);
  border-radius: 14px;
  position: relative;
  cursor: pointer;
  box-shadow: 0 0 12px var(--glow);
}

.mode-toggle-knob {
  width: 22px;
  height: 22px;
  background: #fff;
  border-radius: 50%;
  position: absolute;
  top: 3px;
  left: 3px;
  transition: 0.35s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.mode-toggle.client .mode-toggle-knob {
  left: 31px;
}

/* ─── Buttons ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 48px;
  border: none;
  background: var(--gradient-btn);
  color: white;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--glow);
  transition: all 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px var(--glow);
}

.btn-primary .icon {
  width: 20px;
  height: 20px;
}

.note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 20px;
}

/* ─── Page / Phone Frame ─── */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg);
  padding: 12px;
}

.phone-frame {
  width: 100%;
  max-width: 380px;
  height: 100vh;
  max-height: 800px;
  background: var(--bg-dark);
  border-radius: 40px;
  overflow: hidden;
  position: relative;
  border: 4px solid var(--border);
  display: flex;
  flex-direction: column;
}

.phone-header {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 8px 16px 6px;
  gap: 8px;
}

.status-bar {
  flex: 1;
}

.theme-toggle-small {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.icon-sm {
  width: 18px;
  height: 18px;
}

.app-header {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  gap: 8px;
  flex-shrink: 0;
}

.app-header h2 {
  font-size: 18px;
  font-weight: 700;
  flex: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-time {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.back-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.back-btn .icon {
  width: 20px;
  height: 20px;
}

.app-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  -webkit-overflow-scrolling: touch;
}

.page-content {
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Bottom Nav ─── */
.bottom-nav {
  display: flex;
  gap: 4px;
  padding: 8px 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 0;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 10px;
  transition: all 0.2s;
}

.nav-item.active {
  color: var(--primary);
}

.nav-item.active .icon-nav {
  filter: drop-shadow(0 0 6px var(--glow));
}

.icon-nav {
  width: 24px;
  height: 24px;
}

.btn-exit {
  background: transparent;
  border: 2px solid var(--border);
  color: var(--text-muted);
  padding: 12px 32px;
  border-radius: 50px;
  margin-top: 20px;
  cursor: pointer;
  font-size: 14px;
  transition: border-color 0.2s, color 0.2s;
}

.btn-exit:hover {
  border-color: var(--text);
  color: var(--text);
}

.hidden { display: none !important; }

/* ─── Dashboard ─── */
.dashboard-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.dashboard-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--border);
}

.dashboard-card.accent {
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.08);
}

.stat-row {
  display: flex;
  gap: 12px;
}

.stat-item {
  flex: 1;
  text-align: center;
  padding: 8px;
}

.stat-item + .stat-item {
  border-left: 1px solid var(--border);
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ─── Appointment Cards ─── */
.appointment-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  border: 1px solid var(--border);
}

.appointment-time {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  min-width: 48px;
  text-align: center;
}

.appointment-info { flex: 1; }

.appointment-name {
  font-size: 14px;
  font-weight: 600;
}

.appointment-service {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.appointment-status {
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 10px;
  font-weight: 600;
}

.status-confirmed { background: rgba(16,185,129,0.15); color: var(--success); }
.status-pending { background: rgba(245,158,11,0.15); color: var(--warning); }
.status-cancelled { background: rgba(239,68,68,0.15); color: var(--error); }
.status-completed { background: rgba(139,92,246,0.15); color: var(--primary); }

/* ─── Section Title ─── */
.section-title {
  font-size: 14px;
  font-weight: 600;
  margin: 16px 0 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title .badge {
  font-size: 11px;
  background: var(--primary);
  color: white;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}

/* ─── Schedule ─── */
.schedule-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding: 8px 12px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.schedule-nav {
  background: none;
  border: none;
  color: var(--text);
  padding: 4px 8px;
  cursor: pointer;
  font-size: 16px;
}

.schedule-date {
  font-size: 14px;
  font-weight: 600;
}

.schedule-slots {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 12px;
}

.time-slot {
  flex-shrink: 0;
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.time-slot.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.time-slot.has-bookings {
  color: var(--text);
  border-color: var(--primary);
}

/* ─── Client Cards ─── */
.client-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
}

.client-card:hover {
  border-color: var(--primary);
}

.client-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.client-info { flex: 1; }

.client-name {
  font-size: 14px;
  font-weight: 600;
}

.client-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.client-visits {
  font-size: 11px;
  color: var(--primary);
  font-weight: 600;
}

/* ─── Services ─── */
.service-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  border: 1px solid var(--border);
}

.service-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(139, 92, 246, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.service-icon .icon { width: 22px; height: 22px; }

.service-info { flex: 1; }

.service-name {
  font-size: 14px;
  font-weight: 600;
}

.service-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.service-price {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
}

/* ─── Analytics ─── */
.analytics-section {
  margin-bottom: 20px;
}

.analytics-section h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.analytics-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
  border: 1px solid var(--border);
}

.analytics-value {
  font-size: 22px;
  font-weight: 700;
  margin-top: 4px;
}

.insight-card {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 8px;
  border: 1px solid var(--border);
}

.insight-card.success { border-color: rgba(16,185,129,0.3); }
.insight-card h4 { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.insight-card p { font-size: 13px; color: var(--text-muted); }

/* ─── Finances ─── */
.finance-card {
  padding: 14px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  border: 1px solid var(--border);
}

.finance-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.finance-title {
  font-size: 14px;
  font-weight: 600;
}

.finance-amount {
  font-size: 16px;
  font-weight: 700;
}

.finance-amount.positive { color: var(--success); }
.finance-amount.negative { color: var(--error); }

.finance-meta {
  font-size: 11px;
  color: var(--text-muted);
}

/* ─── Settings ─── */
.settings-group {
  margin-bottom: 20px;
}

.settings-group h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.settings-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  border: 1px solid var(--border);
}

.settings-item .icon {
  width: 22px;
  height: 22px;
  color: var(--primary);
}

.settings-info { flex: 1; }
.settings-label { font-size: 14px; font-weight: 500; }
.settings-desc { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ─── Client Booking ─── */
.booking-step {
  margin-bottom: 16px;
}

.booking-step h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
}

.service-select-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
}

.service-select-item.selected {
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.15);
}

.service-select-item .radio-ring {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
}

.service-select-item.selected .radio-ring {
  border-color: var(--primary);
}

.service-select-item .radio-ring-inner {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  transition: all 0.2s;
}

.time-select-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.time-select-btn {
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.time-select-btn.selected {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.booking-confirm {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px;
  border: 1px solid var(--border);
  margin-bottom: 16px;
}

.booking-confirm h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
}

.booking-confirm-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 13px;
}

.booking-confirm-row .label { color: var(--text-muted); }
.booking-confirm-row .value { font-weight: 600; }

.btn-book {
  width: 100%;
  padding: 14px;
  border: none;
  background: var(--gradient-btn);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

/* ─── My Appointments (Client) ─── */
.my-appointment-card {
  padding: 14px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  border: 1px solid var(--border);
}

.my-appointment-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.my-appointment-service {
  font-size: 14px;
  font-weight: 600;
}

.my-appointment-date {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.my-appointment-price {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}

/* ─── Client Profile ─── */
.client-profile-header {
  text-align: center;
  padding: 20px 0;
}

.client-profile-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gradient-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  color: white;
  font-size: 28px;
  font-weight: 700;
}

.client-profile-name {
  font-size: 20px;
  font-weight: 700;
}

.client-profile-stat {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 8px;
}

.client-profile-stat-item {
  text-align: center;
}

.client-profile-stat-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.client-profile-stat-label {
  font-size: 11px;
  color: var(--text-muted);
}

@media (min-width: 768px) {
  .landing { padding: 40px; }
  .page { padding: 24px; }
  .analytics-grid { grid-template-columns: repeat(4, 1fr); }
  .time-select-grid { grid-template-columns: repeat(6, 1fr); }
}