/* ===========================
   Buttons
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  letter-spacing: -0.01em;
}

.btn--primary {
  background: var(--color-primary);
  color: #D9C9A5;
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(61, 52, 40, 0.2);
}

.btn--primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ===========================
   Auth Button (fixed top-right)
   =========================== */
.auth-btn {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  background: var(--color-bg-overlay);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.02em;
}

.auth-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-light);
}

/* ===========================
   Modal
   =========================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(61, 52, 40, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: var(--space-4);
}

.modal-overlay.hidden {
  display: none;
}

.modal-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  width: 100%;
  max-width: 380px;
  position: relative;
  box-shadow: var(--shadow-xl);
}

.modal-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-light);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-text);
  background: var(--color-bg-warm);
}

.modal-title {
  font-family: var(--font-mono);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

/* ===========================
   Forms
   =========================== */
.form-field {
  margin-bottom: var(--space-4);
}

.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.form-field input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 255, 245, 0.4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  color: var(--color-text);
  transition: all var(--transition-fast);
  outline: none;
}

.form-field input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(61, 52, 40, 0.08);
  background: rgba(255, 255, 245, 0.65);
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-bottom: var(--space-4);
}

.form-error.hidden {
  display: none;
}

.form-submit {
  width: 100%;
  padding: var(--space-3);
  font-size: var(--font-size-base);
}

.modal-toggle {
  margin-top: var(--space-5);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.modal-toggle button {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.modal-toggle button:hover {
  color: var(--color-primary);
}

/* ===========================
   Top Controls
   =========================== */
.top-controls {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 50;
  display: flex;
  gap: var(--space-2);
}

/* ===========================
   Star Rating
   =========================== */
.star-rating {
  display: flex;
  gap: 2px;
  justify-content: center;
  margin-top: var(--space-1);
}

.star-rating.hidden {
  display: none;
}

.star {
  font-size: 16px;
  color: var(--color-border);
  transition: color var(--transition-fast);
  padding: 0;
  line-height: 1;
}

.star:hover,
.star.active {
  color: var(--color-text);
}

.star-rating:hover .star {
  color: var(--color-border);
}

.star-rating:hover .star:hover,
.star-rating:hover .star:hover ~ .star-reverse,
.star-rating .star:hover ~ .star {
  color: var(--color-border);
}

/* Hover fill: all stars up to and including hovered */
.star-rating:hover .star {
  color: var(--color-border);
}

.star-rating .star:hover,
.star-rating .star:hover ~ button {
  color: var(--color-border);
}

/* Use JS-driven classes instead of pure CSS for reliability */
.star.filled {
  color: var(--color-text);
}

.star.hovered {
  color: var(--color-text-secondary);
}

/* ===========================
   My Routes Panel
   =========================== */
.my-routes-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  max-width: 85vw;
  z-index: 60;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-left: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.my-routes-panel.hidden {
  display: none;
}

.my-routes-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.my-routes-title {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

.my-routes-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3);
}

.my-route-card {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: rgba(255, 255, 245, 0.3);
}

.my-route-card:hover {
  border-color: var(--color-text-light);
  background: rgba(255, 255, 245, 0.5);
}

.my-route-thumb {
  width: 64px;
  height: 48px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-bg-warm);
  flex-shrink: 0;
}

.my-route-meta {
  flex: 1;
  min-width: 0;
}

.my-route-distance {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.my-route-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  margin-top: 2px;
}

.my-route-stars {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.my-routes-empty {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* ===========================
   Toast (success)
   =========================== */
.success-toast {
  position: fixed;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  z-index: var(--z-toast);
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  pointer-events: none;
}

.success-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===========================
   Calendar
   =========================== */
.calendar-stats {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.cal-stat {
  flex: 1;
  text-align: center;
  padding: var(--space-3) var(--space-2);
  background: rgba(255, 255, 245, 0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.cal-stat-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.cal-stat-label {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  margin-top: 2px;
}

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.cal-nav-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.cal-nav-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-light);
}

.cal-month {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.cal-day-name {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  text-align: center;
  padding: var(--space-2) 0;
}

.cal-day {
  position: relative;
  text-align: center;
  padding: var(--space-2) 0;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  min-height: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cal-day--empty {
  pointer-events: none;
}

.cal-day-num {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.cal-day--today .cal-day-num {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.cal-day--walked {
  cursor: pointer;
  background: rgba(61, 52, 40, 0.08);
}

.cal-day--walked:hover {
  background: rgba(61, 52, 40, 0.15);
}

.cal-day--walked .cal-day-num {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

.cal-day-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-text);
  margin-top: 2px;
}

/* Walk detail popover */
.cal-walk-detail {
  margin-top: var(--space-4);
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3);
  background: rgba(255, 255, 245, 0.4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.cal-walk-detail.hidden {
  display: none;
}

.cal-detail-thumb {
  width: 80px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-bg-warm);
  flex-shrink: 0;
}

.cal-detail-info {
  flex: 1;
}

.cal-detail-date {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

.cal-detail-distance {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.cal-detail-view {
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cal-detail-view:hover {
  color: var(--color-text-secondary);
}

/* Walk History panel (reuses my-routes-panel layout) */
.walk-history-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 360px;
  max-width: 90vw;
  z-index: 60;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-left: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.walk-history-panel.hidden {
  display: none;
}

.walk-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.walk-history-title {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

.walk-history-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}