:root.theme-light {
  --bg-color: #f0f2f5;
  --header-bg: #ffffff;
  --text-primary: #1c1e21;
  --text-secondary: #65676b;
  --card-bg: #ffffff;
  --border-color: #dddfe2;
  --divider-color: #f0f2f5;
  --accent-color: #1877f2;
  --accent-bg: #e7f3ff;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --error-bg: #ffebe8;
  --error-text: #fa3e3e;
}

:root.theme-dark {
  --bg-color: #18191a;
  --header-bg: #242526;
  --text-primary: #e4e6eb;
  --text-secondary: #b0b3b8;
  --card-bg: #242526;
  --border-color: #3e4042;
  --divider-color: #3e4042;
  --accent-color: #2e89ff;
  --accent-bg: #263951;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --error-bg: #4b1c1c;
  --error-text: #f35353;
}

.mobile-layout {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.mobile-header {
  background-color: var(--header-bg);
  color: var(--text-primary);
  padding: 0 16px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px var(--shadow-color);
}

.mobile-header h1 {
  font-size: 20px;
  font-weight: 600;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-grow: 1;
}

.mobile-header .header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: 16px;
}

.mobile-header .header-icon {
  background: none;
  border: none;
  padding: 8px;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background-color 0.2s;
}

.mobile-header .header-icon:active {
  background-color: var(--divider-color);
}

.mobile-header .header-icon svg {
  width: 24px;
  height: 24px;
}

.mobile-main {
  flex-grow: 1;
  padding: 16px;
}

.mobile-header .header-icon.active {
  background-color: var(--accent-bg);
  color: var(--accent-color);
}

.flash {
  padding: 12px 16px;
  margin-bottom: 16px;
  border-radius: 8px;
  font-size: 14px;
}

.flash.notice {
  background-color: var(--accent-bg);
  color: var(--accent-color);
}

.flash.alert {
  background-color: var(--error-bg);
  color: var(--error-text);
}

/* Dropdown Menu */
.menu-container {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 48px;
  right: 0;
  background-color: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 4px 12px var(--shadow-color);
  min-width: 180px;
  overflow: hidden;
  z-index: 1001;
  display: flex;
  flex-direction: column;
}

.dropdown-menu.hidden {
  display: none;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.2s;
}

.menu-item:active {
  background-color: var(--divider-color);
}

.menu-item svg {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
}

.menu-item span {
  flex-grow: 1;
}

/* Market Visits List */
.date-group {
  margin-bottom: 24px;
}

.date-header {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 12px;
  padding-left: 4px;
}

.market-visits-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.market-visit-card {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 1px 2px var(--shadow-color);
  transition: transform 0.1s;
}

.market-visit-card:active {
  transform: scale(0.98);
  background-color: var(--divider-color);
}

.market-visit-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.market-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.market-city {
  font-size: 14px;
  color: var(--text-secondary);
}

.market-visit-badge {
  background-color: var(--accent-bg);
  color: var(--accent-color);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 16px;
}

.loading-state {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}

.sync-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-secondary);
}

.sync-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-left-color: var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 16px;
}

/* Market Visit Details */
.market-visit-detail {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-header {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 1px 2px var(--shadow-color);
}

.detail-header h3 {
  margin: 0 0 8px 0;
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.visit-card {
  background-color: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 1px 2px var(--shadow-color);
  overflow: hidden;
}

.visit-card-header {
  padding: 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.visit-card-header:active {
  background-color: var(--divider-color);
}

.visit-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.visit-client {
  font-size: 14px;
  color: var(--text-secondary);
}

.visit-card-content {
  padding: 0 16px 16px 16px;
  display: none;
  border-top: 1px solid var(--divider-color);
  padding-top: 16px;
}

.visit-card.expanded .visit-card-content {
  display: block;
}

.visit-form-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input[type="time"],
.form-group input[type="text"] {
  padding: 10px;
  background-color: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 16px;
}

.form-group.checkbox {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.form-group.checkbox input {
  width: 20px;
  height: 20px;
}

.form-group.checkbox label {
  font-size: 14px;
  color: var(--text-primary);
}

.chevron {
  transition: transform 0.2s;
}

.visit-card.expanded .chevron {
  transform: rotate(180deg);
}

/* Settings View */
.settings-group {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 1px 2px var(--shadow-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.settings-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.theme-options {
  display: flex;
  background-color: var(--divider-color);
  padding: 4px;
  border-radius: 10px;
  gap: 4px;
}

.theme-opt {
  flex: 1;
  padding: 8px;
  border: none;
  background: none;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.theme-opt.active {
  background-color: var(--card-bg);
  box-shadow: 0 2px 4px var(--shadow-color);
  color: var(--accent-color);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}