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

:root {
  --bg: #f5f5f7;
  --card-bg: #ffffff;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --border: #d2d2d7;
  --primary: #0071e3;
  --success: #34c759;
  --warning: #ff9500;
  --danger: #ff3b30;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-weight: 600;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: all 0.15s;
}

.nav-link:hover {
  background: var(--bg);
  color: var(--text);
}

.nav-link.active {
  color: var(--primary);
  background: rgba(0, 113, 227, 0.1);
}

.nav-link-logout {
  color: var(--danger);
}

/* Main */
.main {
  max-width: 800px;
  margin: 0 auto;
  padding: 1rem;
}

.page-header {
  margin-bottom: 1.5rem;
}

.page-header h1 {
  margin: 0 0 0.25rem 0;
  font-size: 1.75rem;
  font-weight: 600;
}

.page-subtitle {
  color: var(--text-secondary);
  margin: 0;
}

/* Month Navigator */
.month-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  position: relative;
}

.month-nav-btn {
  background: var(--card-bg);
  border: 1px solid var(--border);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.month-nav-btn:hover {
  background: var(--bg);
  border-color: var(--primary);
}

.month-nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.month-nav-current {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.month-nav-current:hover {
  border-color: var(--primary);
}

.month-year {
  color: var(--text-secondary);
  font-weight: 400;
}

.month-dropdown-icon {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-left: 0.25rem;
}

.month-nav-today {
  background: transparent;
  border: none;
  color: var(--primary);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: 0.25rem;
}

.month-nav-today:hover {
  text-decoration: underline;
}

.month-nav-today.hidden {
  display: none;
}

/* Month Dropdown */
.month-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 36px;
  margin-top: 0.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  z-index: 50;
  padding: 0.5rem;
  min-width: 150px;
}

.month-dropdown.open {
  display: block;
}

.month-dropdown-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.1s;
}

.month-dropdown-item:hover {
  background: var(--bg);
}

.month-dropdown-item.active {
  background: var(--primary);
  color: white;
}

/* Filters */
.filters {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.filter-select {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  font-size: 0.9rem;
  min-width: 120px;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.filter-checkbox input {
  width: 1rem;
  height: 1rem;
}

/* Stats Bar */
.stats-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.stat {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.stat-warning {
  color: var(--warning);
  font-weight: 500;
}

.stat-danger {
  color: var(--danger);
  font-weight: 500;
}

/* Task List */
.task-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.task-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.15s;
}

.task-item:hover {
  box-shadow: var(--shadow);
}

.task-item.completed {
  opacity: 0.7;
}

.task-item.completed .task-main {
  background: rgba(52, 199, 89, 0.05);
}

.task-item.due-soon {
  border-color: var(--warning);
}

.task-item.due-soon .task-main {
  background: rgba(255, 149, 0, 0.05);
}

.task-item.missed {
  border-color: var(--danger);
}

.task-item.missed .task-main {
  background: rgba(255, 59, 48, 0.05);
}

.task-item.skipped {
  opacity: 0.5;
}

.task-item.skipped .task-main {
  background: rgba(142, 142, 147, 0.05);
}

.task-item.skipped .task-name {
  text-decoration: line-through;
}

.task-main {
  display: flex;
  align-items: center;
  padding: 0.75rem;
  gap: 0.75rem;
  cursor: pointer;
}

.task-checkbox {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--success);
}

.task-info {
  flex: 1;
  min-width: 0;
}

.task-name {
  font-weight: 500;
  margin-bottom: 0.15rem;
}

.task-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.task-holder {
  background: var(--bg);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-weight: 500;
}

.task-holder.mike {
  background: #e3f2fd;
  color: #1565c0;
}

.task-holder.lauren {
  background: #fce4ec;
  color: #c2185b;
}

.task-value {
  font-weight: 600;
  color: var(--success);
}

.task-badge {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-weight: 500;
}

.badge-due-soon {
  background: rgba(255, 149, 0, 0.15);
  color: var(--warning);
}

.badge-missed {
  background: rgba(255, 59, 48, 0.15);
  color: var(--danger);
}

.badge-promo {
  background: rgba(0, 113, 227, 0.15);
  color: var(--primary);
}

.badge-skipped {
  background: rgba(142, 142, 147, 0.15);
  color: #8e8e93;
}

.task-link {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.task-expand {
  color: var(--text-secondary);
  font-size: 1.2rem;
  padding: 0 0.25rem;
}

/* Task Details (expandable) */
.task-details {
  display: none;
  padding: 0.75rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.task-item.expanded .task-details {
  display: block;
}

.task-item.expanded .task-expand {
  transform: rotate(180deg);
}

.task-how {
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.task-form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-group label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.form-group input {
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.9rem;
}

.form-group input[type="number"] {
  width: 80px;
}

.form-group input[type="text"] {
  width: 150px;
}

/* Skip button */
.skip-btn {
  margin-top: 0.75rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--card-bg);
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
}

.skip-btn:hover {
  border-color: #8e8e93;
  color: var(--text);
}

.skip-btn.unskip-btn {
  border-color: var(--primary);
  color: var(--primary);
}

.skip-btn.unskip-btn:hover {
  background: rgba(0, 113, 227, 0.08);
}

/* Conflict info */
.task-conflict-info {
  font-size: 0.8rem;
  color: var(--warning);
  margin-bottom: 0.75rem;
  padding: 0.4rem 0.6rem;
  background: rgba(255, 149, 0, 0.08);
  border-radius: 4px;
}

/* Stat skipped */
.stat-skipped {
  color: #8e8e93;
}

.stat-clickable {
  cursor: pointer;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  transition: all 0.15s;
}

.stat-clickable:hover {
  background: rgba(142, 142, 147, 0.1);
}

.stat-clickable.active {
  background: rgba(142, 142, 147, 0.15);
}

/* Loading */
.loading {
  text-align: center;
  color: var(--text-secondary);
  padding: 2rem;
}

/* Login */
.login-body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: var(--bg);
}

.login-container {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  max-width: 320px;
  width: 100%;
}

.login-container h1 {
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
}

.login-subtitle {
  color: var(--text-secondary);
  margin: 0 0 1.5rem 0;
  font-size: 0.9rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.login-input {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  text-align: center;
}

.login-button {
  padding: 0.75rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  cursor: pointer;
  transition: opacity 0.15s;
}

.login-button:hover {
  opacity: 0.9;
}

.error {
  background: rgba(255, 59, 48, 0.1);
  color: var(--danger);
  padding: 0.5rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

/* Dashboard */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.dash-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

.dash-card-success {
  border-color: var(--success);
  background: rgba(52, 199, 89, 0.05);
}

.dash-card-warning {
  border-color: var(--warning);
  background: rgba(255, 149, 0, 0.05);
}

.dash-card-muted {
  border-color: #8e8e93;
  background: rgba(142, 142, 147, 0.05);
}

.dash-card-muted .dash-value {
  color: #8e8e93;
}

.dash-card-highlight {
  border-color: var(--primary);
  background: rgba(0, 113, 227, 0.08);
}

.dash-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.dash-value {
  font-size: 1.5rem;
  font-weight: 600;
}

.dash-card-success .dash-value {
  color: var(--success);
}

.dash-card-warning .dash-value {
  color: var(--warning);
}

.dash-card-highlight .dash-value {
  color: var(--primary);
}

.dashboard-section {
  margin-top: 2rem;
}

.dashboard-section h2 {
  font-size: 1.1rem;
  margin: 0 0 1rem 0;
}

.holder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

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

.holder-card h3 {
  margin: 0 0 0.75rem 0;
  font-size: 1rem;
}

.holder-stat {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  padding: 0.25rem 0;
}

.holder-stat-label {
  color: var(--text-secondary);
}

/* Radar */
.radar-section {
  margin-bottom: 2rem;
}

.radar-section h2 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem 0;
}

.section-note {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin: 0 0 1rem 0;
}

.radar-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.radar-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
}

.radar-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.radar-title {
  font-weight: 500;
}

.radar-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.radar-why {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.radar-reminder {
  font-size: 0.8rem;
  background: rgba(0, 113, 227, 0.08);
  padding: 0.5rem;
  border-radius: 4px;
  color: var(--primary);
}

/* Settings */
.settings-section {
  margin-bottom: 2rem;
}

.settings-section h2 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem 0;
}

.settings-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.settings-row {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.settings-label {
  font-size: 0.9rem;
}

.settings-label small {
  display: block;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.settings-input {
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.9rem;
  width: 100px;
}

/* Mobile */
@media (max-width: 600px) {
  .nav {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-link {
    padding: 0.4rem 0.6rem;
    font-size: 0.85rem;
  }

  .month-nav-current {
    font-size: 0.95rem;
    padding: 0.4rem 0.75rem;
  }

  .month-dropdown {
    left: 0;
  }

  .main {
    padding: 0.75rem;
  }

  .page-header h1 {
    font-size: 1.4rem;
  }

  .filters {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-select {
    width: 100%;
  }

  .task-main {
    padding: 0.6rem;
  }

  .task-name {
    font-size: 0.95rem;
  }

  .task-form {
    flex-direction: column;
  }

  .form-group input[type="text"] {
    width: 100%;
  }

  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .dash-value {
    font-size: 1.25rem;
  }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}