/* ==========================================
   DAILY PROGRESS TRACKER - STYLESHEET
   Design System: Modern Indigo / Slate Blueprint
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Caveat:wght@600&display=swap');

:root {
  /* Light Theme Color Palette */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  
  --brand-primary: #2563eb;
  --brand-primary-hover: #1d4ed8;
  --brand-secondary: #4f46e5;
  --brand-accent: #0ea5e9;
  --brand-light: #eff6ff;
  
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-handwriting: 'Caveat', cursive;
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-surface: #1e293b;
  --bg-surface-hover: #334155;
  --bg-glass: rgba(30, 41, 59, 0.85);
  
  --border-color: #334155;
  --border-focus: #60a5fa;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --text-inverse: #0f172a;
  
  --brand-primary: #3b82f6;
  --brand-primary-hover: #60a5fa;
  --brand-secondary: #6366f1;
  --brand-accent: #38bdf8;
  --brand-light: rgba(59, 130, 246, 0.15);
  
  --success: #34d399;
  --success-light: rgba(52, 211, 153, 0.15);
  --warning: #fbbf24;
  --warning-light: rgba(251, 191, 36, 0.15);
  --danger: #f87171;
  --danger-light: rgba(248, 113, 113, 0.15);
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4);
  --shadow-glow: 0 0 25px rgba(59, 130, 246, 0.35);
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
}

/* App Header & Navbar */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow-glow);
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  background-color: var(--bg-secondary);
  padding: 0.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.nav-tab:hover {
  color: var(--text-primary);
}

.nav-tab.active {
  background-color: var(--bg-surface);
  color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
}

/* Header Utilities */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-profile-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.8rem;
  border-radius: 9999px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
  font-size: 0.85rem;
}

.user-profile-pill:hover {
  border-color: var(--brand-primary);
  background-color: var(--bg-surface-hover);
}

.avatar-circle {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
}

.streak-badge {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: white;
  padding: 0.4rem 0.85rem;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
}

.btn-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.btn-icon:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-focus);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--brand-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--brand-primary-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--border-focus);
}

.btn-success {
  background-color: var(--success);
  color: white;
}

.btn-outline-danger {
  background-color: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.btn-outline-danger:hover {
  background-color: var(--danger-light);
}

/* Guest Mode Banner */
.guest-banner {
  background-color: var(--warning-light);
  border-bottom: 1px solid var(--warning);
  color: #92400e;
  padding: 0.5rem 1.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* Date Navigator Bar */
.date-navigator {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
}

.date-nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.date-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.date-picker-input {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-md);
  outline: none;
  cursor: pointer;
  transition: var(--transition);
}

.day-pills {
  display: flex;
  gap: 0.35rem;
}

.day-pill {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  background-color: var(--bg-secondary);
  color: var(--text-muted);
}

.day-pill.active {
  background-color: var(--brand-primary);
  color: white;
}

.mode-toggle-group {
  display: flex;
  align-items: center;
  background-color: var(--bg-secondary);
  border-radius: 9999px;
  padding: 0.2rem;
  border: 1px solid var(--border-color);
}

.mode-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  border: none;
  background: transparent;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.mode-btn.active.morning {
  background: linear-gradient(135deg, #f59e0b, #eab308);
  color: white;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.mode-btn.active.night {
  background: linear-gradient(135deg, #4f46e5, #0ea5e9);
  color: white;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.mode-btn.active.all {
  background: var(--brand-primary);
  color: white;
}

/* Main Layout Container */
.main-content {
  max-width: 1400px;
  margin: 1.5rem auto;
  padding: 0 1.5rem 3rem 1.5rem;
}

/* Motto Banner */
.motto-banner {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(79, 70, 229, 0.08));
  border: 1px dashed var(--brand-primary);
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.motto-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.motto-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.motto-stickers {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sticker-badge {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-handwriting);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--brand-primary);
  transform: rotate(-2deg);
  box-shadow: var(--shadow-sm);
}

.sticker-badge:nth-child(2) {
  transform: rotate(2deg);
  color: var(--brand-secondary);
}

/* Blueprint Grid Layout */
.blueprint-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.card-num {
  width: 26px;
  height: 26px;
  background-color: var(--brand-light);
  color: var(--brand-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
}

.card-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Section-Specific Cards */
.col-12 { grid-column: span 12; }
.col-6  { grid-column: span 6; }
.col-4  { grid-column: span 4; }
.col-3  { grid-column: span 3; }

@media (max-width: 1024px) {
  .col-6, .col-4, .col-3 { grid-column: span 12; }
}

/* Targets Checklist Table */
.targets-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.target-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0.6rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.target-item:focus-within {
  border-color: var(--brand-primary);
  background-color: var(--bg-surface);
}

.target-item.completed {
  opacity: 0.75;
  background-color: var(--success-light);
  border-color: rgba(16, 185, 129, 0.3);
}

.target-item.completed input[type="text"] {
  text-decoration: line-through;
  color: var(--text-muted);
}

.custom-checkbox {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  background-color: var(--bg-surface);
  flex-shrink: 0;
}

.target-item.completed .custom-checkbox {
  background-color: var(--success);
  border-color: var(--success);
  color: white;
}

.target-index {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  width: 18px;
  text-align: center;
}

.target-input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
}

.priority-tag {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  font-weight: 700;
  cursor: pointer;
  border: none;
}

.priority-high { background-color: var(--danger-light); color: var(--danger); }
.priority-medium { background-color: var(--warning-light); color: var(--warning); }
.priority-low { background-color: var(--brand-light); color: var(--brand-primary); }

/* Hours Counter Card */
.hours-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.hours-box {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  border: 1px solid var(--border-color);
}

.hours-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.hours-input-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}

.hours-input {
  width: 70px;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  background: transparent;
  border: none;
  text-align: center;
  outline: none;
}

.hours-unit {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.hours-diff {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
}

.hours-diff.positive { color: var(--success); }
.hours-diff.negative { color: var(--danger); }

/* Checkbox Grid Items */
.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
}

.check-label {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-secondary);
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
  user-select: none;
}

.check-label:hover {
  background-color: var(--bg-surface-hover);
}

.check-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--brand-primary);
  cursor: pointer;
}

/* Completion Gauge Wheel (SVG) */
.completion-gauge-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem 0;
  position: relative;
}

.gauge-svg {
  width: 140px;
  height: 140px;
  transform: rotate(-90deg);
}

.gauge-bg {
  fill: none;
  stroke: var(--bg-secondary);
  stroke-width: 10;
}

.gauge-fill {
  fill: none;
  stroke: var(--brand-primary);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 339.292; /* 2 * PI * 54 */
  stroke-dashoffset: 339.292;
  transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.gauge-center-text {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gauge-percent {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.gauge-subtext {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Text Areas (Notes, Learnings, Reflections) */
.form-textarea {
  width: 100%;
  min-height: 90px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  resize: vertical;
  outline: none;
  transition: var(--transition);
}

.form-textarea:focus {
  border-color: var(--brand-primary);
  background-color: var(--bg-surface);
  box-shadow: 0 0 0 3px var(--brand-light);
}

.challenges-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 768px) {
  .challenges-grid {
    grid-template-columns: 1fr;
  }
}

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

/* Auth Modal Form Styling */
.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.25rem;
}

.auth-tab-btn {
  flex: 1;
  padding: 0.65rem;
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.auth-tab-btn.active {
  color: var(--brand-primary);
  border-bottom-color: var(--brand-primary);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  outline: none;
  transition: var(--transition);
}

.form-input:focus {
  border-color: var(--brand-primary);
  background-color: var(--bg-surface);
}

.auth-error-banner {
  background-color: var(--danger-light);
  color: var(--danger);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Analytics Tab Styling */
.analytics-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.analytics-filter-bar {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.custom-range-box {
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.custom-range-box.active {
  border-color: var(--brand-primary) !important;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.kpi-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
}

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.kpi-blue { background-color: var(--brand-light); color: var(--brand-primary); }
.kpi-green { background-color: var(--success-light); color: var(--success); }
.kpi-amber { background-color: var(--warning-light); color: var(--warning); }
.kpi-purple { background-color: rgba(147, 51, 234, 0.15); color: #9333ea; }

.kpi-value {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
}

.kpi-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

.chart-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  min-height: 320px;
  display: flex;
  flex-direction: column;
}

.chart-wrapper {
  position: relative;
  flex: 1;
  width: 100%;
  min-height: 250px;
}

/* GitHub Style Calendar Heatmap */
.heatmap-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.heatmap-grid {
  display: grid;
  grid-template-rows: repeat(7, 14px);
  grid-auto-flow: column;
  grid-auto-columns: 14px;
  gap: 4px;
}

.heatmap-cell {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  background-color: var(--bg-secondary);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.heatmap-cell:hover {
  transform: scale(1.2);
  z-index: 10;
}

.heatmap-lvl-0 { background-color: var(--bg-secondary); }
.heatmap-lvl-1 { background-color: #93c5fd; }
.heatmap-lvl-2 { background-color: #60a5fa; }
.heatmap-lvl-3 { background-color: #2563eb; }
.heatmap-lvl-4 { background-color: #1e3a8a; }

[data-theme="dark"] .heatmap-lvl-1 { background-color: rgba(59, 130, 246, 0.3); }
[data-theme="dark"] .heatmap-lvl-2 { background-color: rgba(59, 130, 246, 0.55); }
[data-theme="dark"] .heatmap-lvl-3 { background-color: rgba(59, 130, 246, 0.8); }
[data-theme="dark"] .heatmap-lvl-4 { background-color: #3b82f6; }

.heatmap-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* History Journal View */
.history-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-input {
  width: 100%;
  padding: 0.55rem 1rem 0.55rem 2.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.history-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  transition: var(--transition);
}

.history-card:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-md);
}

.history-date-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 70px;
  padding: 0.5rem;
  background-color: var(--brand-light);
  border-radius: var(--radius-md);
  color: var(--brand-primary);
  text-align: center;
}

.history-date-num {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
}

.history-date-month {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.history-details {
  flex: 1;
}

.history-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.history-summary {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.history-stat {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Modals & Dialogs */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.modal-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  max-width: 550px;
  width: 90%;
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.25s ease;
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--brand-primary);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  animation: slideInRight 0.3s ease forwards;
}

.toast-success { border-left-color: var(--success); }
.toast-error { border-left-color: var(--danger); }
.toast-warning { border-left-color: var(--warning); }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Utility Animations */
.fade-in {
  animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hidden Utility */
.hidden {
  display: none !important;
}