/* Violin Scale Practice Tracker - Design System */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
  --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-secondary: 'Inter', sans-serif;

  /* Color Palette - Light, Bright & Joyful */
  --bg-gradient: linear-gradient(135deg, #F5F3FF 0%, #FFF5F5 50%, #F0FDFA 100%);
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  
  --primary: #7C3AED;
  --primary-light: #DDD6FE;
  --primary-dark: #5B21B6;
  
  --secondary: #EC4899;
  --secondary-light: #FBCFE8;
  
  --accent-gold: #F59E0B;
  --accent-gold-light: #FEF3C7;
  
  --accent-teal: #0D9488;
  --accent-teal-light: #CCFBF1;
  
  --text-main: #1F2937;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  
  --border-color: rgba(124, 58, 237, 0.12);
  --glass-shadow: 0 10px 25px -5px rgba(124, 58, 237, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
  --card-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;

  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-primary);
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 80px; /* Space for mobile nav */
}

/* Container */
.app-container {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  padding: 16px;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--glass-shadow);
  margin-bottom: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
  overflow: hidden;
  flex-shrink: 0;
}

.brand-icon img {
  width: 100%;
  height: 100%;
  display: block;
}

.brand-title h1 {
  font-size: 1.3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.brand-title-full {
  display: inline;
}

.brand-title-mobile {
  display: none;
}

.brand-title p {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.streak-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-gold-light);
  color: #B45309;
  padding: 6px 12px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.85rem;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #6D28D9 100%);
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
  transition: var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(124, 58, 237, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.quick-log-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.quick-log-icon svg {
  display: block;
}

.btn-secondary {
  background: rgba(124, 58, 237, 0.08);
  color: var(--primary);
  border: 1px solid var(--border-color);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(124, 58, 237, 0.15);
}

.btn-secondary:disabled,
.btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
  transform: none;
}

/* Navigation Tabs */
.nav-bar {
  display: flex;
  gap: 8px;
  background: var(--bg-card);
  padding: 6px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--glass-shadow);
  margin-bottom: 20px;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-bar::-webkit-scrollbar {
  display: none;
}

.nav-tab {
  flex: 1;
  min-width: fit-content;
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.nav-tab:hover {
  color: var(--primary);
  background: rgba(124, 58, 237, 0.05);
}

.nav-tab.active {
  background: white;
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  font-weight: 700;
}

/* Mobile Responsive Header & Layout */
@media (max-width: 768px) {
  .app-container {
    padding: max(10px, env(safe-area-inset-top, 10px)) 12px 10px 12px;
  }

  .card-section {
    padding: 16px 8px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
  }

  /* Streamlined 1-Row Mobile Header (~50px) */
  .app-header {
    padding: 8px 12px;
    margin-bottom: 12px;
    border-radius: var(--radius-md);
    gap: 8px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .brand {
    gap: 8px;
    min-width: 0;
    flex: 1 1 auto;
    display: flex;
    align-items: center;
  }

  .brand-icon {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    font-size: 18px;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.25);
    flex-shrink: 0;
  }

  .brand-title {
    min-width: 0;
    overflow: hidden;
  }

  .brand-title-full {
    display: none;
  }

  .brand-title-mobile {
    display: inline;
  }

  .brand-title-angela {
    display: inline;
  }

  .brand-title h1 {
    font-size: 0.98rem;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-title p {
    display: none;
  }

  .header-actions {
    gap: 6px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
  }

  /* Passcode / Editor Mode button on narrow screens: icon only */
  .auth-status-pill {
    width: 34px;
    height: 34px;
    padding: 0;
    font-size: 0.92rem;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  #authStatusText {
    display: none !important;
  }

  /* Streak badge on mobile */
  .streak-badge {
    padding: 0 10px;
    height: 34px;
    font-size: 0.82rem;
    gap: 4px;
    border-radius: 17px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
  }

  .streak-label {
    display: none;
  }

  /* Quick Log button on mobile: compact icon-only pill matching lock button */
  #quickLogBtn {
    width: 34px;
    height: 34px;
    padding: 0;
    border-radius: 10px;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
  }

  #quickLogBtn .quick-log-text {
    display: none !important;
  }

  #quickLogBtn .quick-log-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-bar {
    position: fixed;
    bottom: max(10px, env(safe-area-inset-bottom, 10px));
    left: 12px;
    right: 12px;
    margin-bottom: 0;
    z-index: 100;
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.92);
    border-radius: 24px;
    padding: 6px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  }
  
  .nav-tab {
    padding: 8px 10px;
    font-size: 0.75rem;
    flex-direction: column;
    gap: 4px;
  }
  
  .nav-tab span.nav-icon {
    font-size: 1.2rem;
  }

  body {
    padding-bottom: calc(90px + env(safe-area-inset-bottom, 0px));
  }
}

/* Compact mobile screens (<= 390px, e.g. iPhone 13/14/15/16 standard) */
@media (max-width: 390px) {
  .brand-title h1 {
    font-size: 0.94rem;
  }

  .header-actions {
    gap: 5px;
  }

  .streak-badge {
    padding: 0 7px;
    font-size: 0.78rem;
  }
}

/* Small mobile screens (<= 365px, e.g. iPhone SE, compact Android) */
@media (max-width: 365px) {
  .brand-title-angela {
    display: none;
  }

  .brand-title h1 {
    font-size: 0.92rem;
  }
}

/* Card Section */
.card-section {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--glass-shadow);
  padding: 24px;
  margin-bottom: 24px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Form Controls */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-control, select, textarea, input[type="text"], input[type="date"], input[type="number"] {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-color);
  background: white;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  color: var(--text-main);
  transition: var(--transition-fast);
  outline: none;
}

.form-control:focus, select:focus, textarea:focus, input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

/* Key Selection Grid */
.key-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
  padding: 4px;
  border-radius: var(--radius-md);
  background: rgba(124, 58, 237, 0.03);
  border: 1px solid var(--border-color);
}

.key-chip {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: white;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.key-chip:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.key-chip.selected {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  border-color: transparent;
  box-shadow: 0 3px 10px rgba(124, 58, 237, 0.3);
}

/* Scale Type Pills */
.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill-option {
  padding: 8px 14px;
  border-radius: 20px;
  background: white;
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.pill-option:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pill-option.selected {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.25);
}

/* Star Rating selector (with 0.5 half-star support) */
.star-rating-Row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.star-rating {
  display: inline-flex;
  gap: 8px;
  font-size: 1.85rem;
  cursor: pointer;
}

.star-rating-display {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 0.95rem;
  line-height: 1;
  vertical-align: middle;
  cursor: default;
}

.star-rating .star-item,
.star-rating-display .star-item {
  position: relative;
  display: inline-block;
  line-height: 1;
  user-select: none;
}

.star-rating .star-item {
  transition: transform 0.15s ease;
}

.star-rating .star-item .star-bg,
.star-rating-display .star-item .star-bg {
  display: inline-block;
  filter: grayscale(100%);
  opacity: 0.32;
}

.star-rating .star-item .star-fill,
.star-rating-display .star-item .star-fill {
  position: absolute;
  top: 0;
  left: 0;
  overflow: hidden;
  width: 0%;
  white-space: nowrap;
  pointer-events: none;
}

.star-rating .star-item.active {
  transform: scale(1.08);
}

.star-rating .star-item.active .star-fill,
.star-rating-display .star-item.active .star-fill {
  width: 100%;
}

.star-rating .star-item.half {
  transform: scale(1.05);
}

.star-rating .star-item.half .star-fill,
.star-rating-display .star-item.half .star-fill {
  width: 50%;
}

.log-rating-display {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.log-rating-value {
  font-size: 0.85rem;
  font-weight: 700;
  color: #B45309;
}

.rating-badge {
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--accent-gold-light);
  color: #B45309;
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.rating-slider {
  flex: 1;
  min-width: 140px;
  max-width: 220px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* Practice Log Entry Cards */
.log-card {
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--card-shadow);
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.log-card:hover {
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.1);
  border-color: rgba(124, 58, 237, 0.25);
}

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

.log-key-badge {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.octave-tag {
  font-size: 0.75rem;
  background: var(--accent-teal-light);
  color: var(--accent-teal);
  padding: 3px 8px;
  border-radius: 12px;
  font-weight: 700;
}

.log-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.log-comment {
  background: rgba(245, 243, 255, 0.6);
  border-left: 3px solid var(--primary);
  padding: 8px 12px;
  border-radius: 0 8px 8px 0;
  font-size: 0.9rem;
  color: var(--text-main);
  margin-top: 8px;
  font-style: italic;
}

.log-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  justify-content: flex-end;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: var(--transition-fast);
}

.icon-btn:hover {
  background: rgba(124, 58, 237, 0.1);
  color: var(--primary);
}

.icon-btn.danger:hover {
  background: #FEE2E2;
  color: #DC2626;
}

/* Daily, Weekly & Monthly View Navigation & Grid */
.daily-header,
.weekly-header,
.monthly-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.daily-header-title,
.weekly-header-title,
.monthly-header-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.daily-range-row,
.week-range-row,
.month-range-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.daily-range-label,
.week-range-label,
.month-range-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
}

.return-today-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 9px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.return-today-pill:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-1px);
}

.daily-nav-actions,
.week-nav-actions,
.month-nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.daily-picker-nav,
.week-picker-nav,
.month-picker-nav {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.nav-arrow-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid var(--border-color);
  color: var(--primary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
  user-select: none;
}

.nav-arrow-btn:hover {
  background: rgba(124, 58, 237, 0.18);
  color: var(--primary-dark);
  transform: translateY(-1px);
}

.nav-arrow-btn:active {
  transform: translateY(0);
}

.nav-arrow-btn:disabled {
  opacity: 0.28;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
}

.daily-date-input,
.week-date-input,
.month-date-input {
  width: auto;
  height: 36px;
  padding: 6px 12px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: white;
  color: var(--text-main);
  font-family: var(--font-primary);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
}

.btn-today-chip {
  height: 36px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  border: none;
  color: white;
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.25);
  white-space: nowrap;
}

.btn-today-chip:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.weekly-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}

.day-column {
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 10px 8px;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: var(--transition-fast);
}

.day-column:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.12);
  transform: translateY(-2px);
}

.day-column.today {
  border: 2px solid var(--primary);
  background: rgba(245, 243, 255, 0.5);
}

.day-header {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.day-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.mini-log-tag {
  font-size: 0.76rem;
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 4px 6px;
  border-radius: 6px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

.mini-tag-name {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mini-tag-rating {
  flex-shrink: 0;
  font-size: 0.75rem;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .weekly-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 6px;
  }

  .weekly-grid .day-column:nth-child(-n+4),
  .weekly-grid .day-column.day-col-row1 {
    grid-column: span 3;
  }

  .weekly-grid .day-column:nth-child(n+5),
  .weekly-grid .day-column.day-col-row2 {
    grid-column: span 4;
  }

  .day-column {
    padding: 6px 4px;
    min-height: 105px;
    border-radius: var(--radius-sm);
  }

  .day-header {
    font-size: 0.76rem;
    margin-bottom: 4px;
    padding-bottom: 3px;
    line-height: 1.2;
  }

  .day-items {
    gap: 4px;
  }

  .mini-log-tag {
    font-size: 0.69rem;
    padding: 3px 2px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1px;
    text-align: center;
    border-radius: 5px;
    min-width: 0;
  }

  /* In Row 2 (Fri-Sun), slightly more width is available */
  .day-col-row2 .mini-log-tag {
    padding: 3px 4px;
  }

  .mini-tag-name {
    min-width: 0;
    width: 100%;
    white-space: normal;
    word-break: break-word;
    line-height: 1.15;
    text-align: center;
    font-size: 0.68rem;
    overflow: visible;
    text-overflow: clip;
  }

  .mini-tag-rating {
    flex-shrink: 0;
    font-size: 0.62rem;
    white-space: nowrap;
    text-align: center;
    line-height: 1.1;
  }
}

@media (max-width: 640px) {
  .daily-header,
  .weekly-header,
  .monthly-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .daily-nav-actions,
  .week-nav-actions,
  .month-nav-actions {
    display: flex;
    justify-content: space-between;
    width: 100%;
  }

  .daily-picker-nav,
  .week-picker-nav,
  .month-picker-nav {
    display: flex;
    width: 100%;
    justify-content: flex-end;
  }

  .daily-date-input,
  .week-date-input,
  .month-date-input {
    flex: 1;
    min-width: 0;
  }
}

/* Monthly Calendar */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  text-align: center;
}

.calendar-day-head {
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 8px 0;
}

.calendar-cell {
  background: white;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  padding: 8px 4px;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: var(--transition-fast);
}

.calendar-cell:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.calendar-cell.has-practice {
  background: linear-gradient(180deg, #FFFFFF 0%, #F5F3FF 100%);
  border-color: var(--primary);
}

.calendar-cell.today {
  border: 2px solid var(--primary);
  background: rgba(245, 243, 255, 0.65);
}

.dot-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--secondary);
  display: inline-block;
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: white;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  padding: 28px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  transform: translateY(20px);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

/* PIN Auth Specifics */
.pin-display {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 20px 0;
}

.pin-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  transition: var(--transition-fast);
}

.pin-dot.filled {
  background: var(--primary);
}

.pin-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 280px;
  margin: 0 auto;
}

.pin-btn {
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: white;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.pin-btn:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.pin-btn:active {
  transform: scale(0.92);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 40px 20px;
}

.empty-icon {
  font-size: 3.5rem;
  margin-bottom: 12px;
}

.empty-state h3 {
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 6px;
}

.empty-state p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Auth Status Pill */
.auth-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  font-family: var(--font-primary);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid transparent;
  outline: none;
  white-space: nowrap;
}

.auth-status-pill.locked {
  background: rgba(107, 114, 128, 0.1);
  color: var(--text-muted);
  border-color: rgba(107, 114, 128, 0.2);
}

.auth-status-pill.locked:hover {
  background: rgba(124, 58, 237, 0.1);
  color: var(--primary);
  border-color: var(--primary-light);
  transform: translateY(-1px);
}

.auth-status-pill.unlocked {
  background: rgba(13, 148, 136, 0.12);
  color: var(--accent-teal);
  border-color: rgba(13, 148, 136, 0.3);
}

.auth-status-pill.unlocked:hover {
  background: rgba(13, 148, 136, 0.22);
  transform: translateY(-1px);
}

.modal-close-icon {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.modal-close-icon:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-main);
  transform: scale(1.05);
}

.btn-guest-dismiss {
  background: none;
  border: none;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px 12px;
  text-decoration: underline;
  transition: var(--transition-fast);
}

.btn-guest-dismiss:hover {
  color: var(--primary);
}

/* Read-Only Mode Banner */
.read-only-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #FEF3C7;
  border: 1px solid #FCD34D;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 20px;
  font-size: 0.88rem;
  color: #92400E;
}

.read-only-banner .banner-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.read-only-banner .banner-text {
  flex: 1;
  line-height: 1.4;
}

.read-only-banner .banner-btn {
  background: #F59E0B;
  color: white;
  border: none;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.read-only-banner .banner-btn:hover {
  background: #D97706;
  transform: translateY(-1px);
}

/* PIN Lockout Banner */
.pin-lockout-banner {
  background: #FEF2F2;
  border: 1px solid #FCA5A5;
  color: #991B1B;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin: 16px 0 20px 0;
  text-align: center;
  box-shadow: 0 4px 14px rgba(220, 38, 38, 0.08);
}