/*
 * Base Styles
 * Reset, typography, body, buttons, loading states
 */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  overflow: hidden;
  height: 100%;
}

body {
  font-family: 'Adobe Clean', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior-x: none;
  -webkit-overflow-scrolling: touch;
}

/* Pull to refresh indicator */
.pull-to-refresh {
  height: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 13px;
  background: var(--bg);
  transition: height 0.2s;
}

.pull-to-refresh.visible {
  height: 50px;
}

.pull-to-refresh.refreshing .pull-arrow {
  animation: spin 0.8s linear infinite;
}

.pull-arrow {
  margin-right: 8px;
  font-size: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: white;
  width: 100%;
}

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

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

.btn-secondary:hover {
  background: var(--bg);
}

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-secondary);
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
}

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

/* Empty State */
.empty {
  text-align: center;
  padding: 20px;
  color: var(--text-secondary);
  font-size: 13px;
}

/* Error Message */
.error-message {
  background: var(--bar-bg);
  border: 1px solid var(--error);
  color: var(--error);
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
  display: none;
}

.error-message.visible { display: block; }