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

html, body { height: 100%; }

:root {
  /* -- Primary – teal ----------------------------------------------------- */
  --md-primary:              #008c99;
  --md-primary-dark:         #006870;
  --md-primary-light:        #4dbecb;
  --md-on-primary:           #ffffff;
  --md-primary-hover-bg:     rgba(0, 140, 153, .08);
  --md-primary-container:    #cef5f8;

  /* -- Secondary – lime -------------------------------------------------- */
  --md-secondary:                  #99cc04;
  --md-secondary-dark:             #7aaa00;
  --md-on-secondary:               #1d2700;
  --md-secondary-container:        #d4ee7f;
  --md-on-secondary-container:     #1a1a1a;
  --md-secondary-container-border: rgba(153,204,4,.4);

  /* -- Primary container border ------------------------------------------ */
  --md-primary-container-border:   rgba(0,140,153,.3);

  /* -- Surfaces & background --------------------------------------------- */
  --md-background:           #f2f8f8;
  --md-surface:              #ffffff;
  --md-surface-variant:      #dce8ea;
  --md-surface-container-low:   #f5f9f9;
  --md-surface-container-high:  #e0ecec;

  /* -- Outline ----------------------------------------------------------- */
  --md-outline:              rgba(0, 0, 0, .38);
  --md-outline-variant:      rgba(0, 0, 0, .12);
  --md-on-surface-variant:   rgba(0, 0, 0, .50);

  /* -- Error ------------------------------------------------------------- */
  --md-error:                #b3261e;
  --md-on-error:             #ffffff;
  --md-error-container:      #fde8e7;

  /* -- Text emphasis ----------------------------------------------------- */
  --md-on-surface:           rgba(0, 0, 0, .87);
  --md-on-surface-medium:    rgba(0, 0, 0, .60);
  --md-on-surface-disabled:  rgba(0, 0, 0, .38);

  /* -- Elevation shadows ------------------------------------------------- */
  --md-elev-1: 0 1px 2px  rgba(0,0,0,.12), 0 1px 3px  rgba(0,0,0,.10);
  --md-elev-2: 0 2px 4px  rgba(0,0,0,.12), 0 1px 6px  rgba(0,0,0,.10);
  --md-elev-3: 0 4px 8px  rgba(0,0,0,.12), 0 2px 8px  rgba(0,0,0,.10);
  --md-elev-4: 0 6px 16px rgba(0,0,0,.14), 0 2px 12px rgba(0,0,0,.12);

  /* -- Shape ------------------------------------------------------------- */
  --md-shape-xs: 4px;
  --md-shape-s:  8px;
  --md-shape-m:  12px;
  --md-shape-l:  16px;
  --md-shape-xl: 28px;

  /* -- Motion ------------------------------------------------------------ */
  --md-easing:     cubic-bezier(.4, 0, .2, 1);
  --md-transition: .2s cubic-bezier(.4, 0, .2, 1);
}

body {
  font-family: Roboto, 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--md-on-surface);
  background: var(--md-background);
  -webkit-font-smoothing: antialiased;
}

/* -- Loading screen ---------------------------------------------------------- */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: var(--md-background);
  color: var(--md-on-surface-medium);
  font-size: .875rem;
  transition: opacity .35s var(--md-easing);
}
.loading-screen.is-hidden {
  opacity: 0;
  pointer-events: none;
}

/* -- Spinner ----------------------------------------------------------------- */
.spinner {
  width: 36px;
  height: 36px;
  border: 3.5px solid var(--md-surface-variant);
  border-top-color: var(--md-primary);
  border-radius: 50%;
  animation: spin .75s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Ensure [hidden] always wins over any display rule */
[hidden] { display: none !important; }

/* -- Views ------------------------------------------------------------------- */
.view { display: none; }
.view.is-active {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  animation: fade-up .22s var(--md-easing) both;
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* -- Top App Bar ------------------------------------------------------------- */
.top-app-bar {
  display: flex;
  align-items: center;
  height: 64px;
  padding: 0 8px 0 16px;
  background: var(--md-primary);
  color: var(--md-on-primary);
  box-shadow: var(--md-elev-2);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 8px;
  flex-shrink: 0;
}
.top-app-bar__title {
  flex: 1;
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: .0125em;
  user-select: none;
}
.top-app-bar__section {
  display: flex;
  align-items: center;
  gap: 10px;
}
.top-app-bar__username {
  font-size: .875rem;
  opacity: .9;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* -- Status badge ------------------------------------------------------------ */
.status-badge {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 8px;
  border-radius: 10px;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .04em;
  background: rgba(255,255,255,.2);
  color: var(--md-on-primary);
  transition: background var(--md-transition);
}
.status-badge.is-ok    { background: #22a752; }
.status-badge.is-error { background: var(--md-error); }

/* -- Language Selector ------------------------------------------------------- */
.language-selector {
  position: relative;
}

.language-selector__menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: var(--md-surface);
  border-radius: 4px;
  box-shadow: var(--md-elev-8);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  z-index: 1000;
  overflow: hidden;
}

.language-selector__menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-selector__option {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 16px;
  border: none;
  background: transparent;
  color: var(--md-on-surface);
  font-size: 0.875rem;
  text-align: left;
  cursor: pointer;
  transition: background var(--md-transition);
  outline: none;
}

.language-selector__option:hover {
  background: rgba(0, 0, 0, 0.08);
}

.language-selector__option:focus-visible {
  background: rgba(0, 0, 0, 0.12);
}

.language-selector__checkmark {
  width: 20px;
  font-size: 1rem;
  color: var(--md-primary);
  opacity: 0;
  transition: opacity var(--md-transition);
}

.language-selector__option.is-active .language-selector__checkmark {
  opacity: 1;
}

/* -- Icon button ------------------------------------------------------------- */
.md-icon-btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--md-on-primary);
  cursor: pointer;
  font-size: 1.125rem;
  outline: none;
  transition: background var(--md-transition);
  flex-shrink: 0;
}
.md-icon-btn:hover { background: rgba(255,255,255,.14); }
.md-icon-btn:focus-visible { outline: 2px solid rgba(255,255,255,.7); outline-offset: 2px; }

/* -- Buttons ----------------------------------------------------------------- */
.md-btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 24px;
  border: none;
  border-radius: 20px;        /* MD3 pill */
  font-family: inherit;
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .00625em;
  cursor: pointer;
  user-select: none;
  outline: none;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color var(--md-transition), box-shadow var(--md-transition);
}
.md-btn:focus-visible { outline: 2px solid var(--md-primary); outline-offset: 2px; }
.md-btn:disabled {
  background: rgba(0,0,0,.12) !important;
  color: var(--md-on-surface-disabled) !important;
  box-shadow: none !important;
  cursor: not-allowed;
}

/* Filled */

/* All filled buttons use secondary color */
.md-btn--filled {
  background: var(--md-secondary);
  color: var(--md-on-secondary);
  box-shadow: var(--md-elev-1);
}
.md-btn--filled:hover  { background: var(--md-secondary-dark); box-shadow: var(--md-elev-2); }
.md-btn--filled:active { box-shadow: var(--md-elev-1); }

/* Tonal */

/* Tonal buttons use lighter secondary container */
.md-btn--tonal {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}
.md-btn--tonal:hover { background: var(--md-secondary-dark); color: var(--md-on-secondary); }

/* Outlined */

/* Outlined buttons use secondary color for text and border */
.md-btn--outlined {
  background: transparent;
  color: var(--md-secondary);
  border: 1px solid var(--md-secondary);
  padding: 0 23px;
}
.md-btn--outlined:hover { background: var(--md-secondary-container); border-color: var(--md-secondary-dark); }

/* Text */

/* Text buttons use secondary color */
.md-btn--text {
  background: transparent;
  color: var(--md-secondary);
  padding: 0 12px;
}
.md-btn--text:hover { background: var(--md-secondary-container); }

/* Danger */
.md-btn--danger {
  background: var(--md-error);
  color: var(--md-on-error);
  box-shadow: var(--md-elev-1);
}
.md-btn--danger:hover { background: #8b0000; box-shadow: var(--md-elev-2); }

/* Modifier – full width */
.md-btn--full { width: 100%; }

/* Button icon (inline with text) */
.btn-icon {
  width: 18px;
  height: 18px;
  margin-right: 0;
  vertical-align: middle;
  flex-shrink: 0;
}

/* Ripple */
.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple-out .55s linear forwards;
  pointer-events: none;
}
.md-btn--filled .ripple, .md-btn--danger .ripple { background: rgba(255,255,255,.32); }
.md-btn--tonal  .ripple                          { background: rgba(0, 0, 0, .12);    }
.md-btn--outlined .ripple, .md-btn--text .ripple { background: rgba(0, 140, 153, .18); }
.md-icon-btn .ripple                             { background: rgba(255,255,255,.22); }
@keyframes ripple-out { to { transform: scale(2.6); opacity: 0; } }

/* -- Text fields – MD3 outlined ---------------------------------------------- */
.md-field {
  position: relative;
  padding-top: 14px;  /* headroom for floating label */
  margin-bottom: 8px;
}
.md-field__input {
  width: 100%;
  border: 1px solid var(--md-outline);
  border-radius: var(--md-shape-xs);
  padding: 14px 16px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--md-on-surface);
  background: transparent;
  outline: none;
  transition: border-color var(--md-transition), border-width var(--md-transition);
}
.md-field__input::placeholder { color: transparent; }

.md-field__label {
  position: absolute;
  left: 12px;
  top: 40px;               /* fixed: md-field padding-top(14) + input padding-top(14) + half line-height(12) */
  transform: translateY(-50%);
  transform-origin: left center;
  font-size: 1rem;
  color: var(--md-on-surface-medium);
  background: var(--md-surface);
  padding: 0 4px;
  pointer-events: none;
  transition: top var(--md-transition), transform var(--md-transition), color var(--md-transition);
}

.md-field__input:focus ~ .md-field__label,
.md-field__input:not(:placeholder-shown) ~ .md-field__label {
  top: 14px;               /* sits centred on the top input border */
  transform: translateY(-50%) scale(.75);
  color: var(--md-primary);
}

/* Select elements don't support :placeholder-shown, handle with class */
.md-field--has-value .md-field__label {
  top: 14px;
  transform: translateY(-50%) scale(.75);
}

.md-field__input:focus { border-color: var(--md-primary); border-width: 2px; }

/* Error state */
.md-field.is-error .md-field__input { border-color: var(--md-error); border-width: 2px; }
.md-field.is-error .md-field__label { color: var(--md-error); }
.md-field.is-error .md-field__input:focus ~ .md-field__label { color: var(--md-error); }

.md-field__helper { font-size: .75rem; margin: 4px 16px 0; color: var(--md-on-surface-medium); }
.md-field.is-error .md-field__helper { color: var(--md-error); }

/* Inline variant for use in headers (e.g., filters) */
.md-field--inline {
  padding-top: 0;
  margin-bottom: 0;
  width: 400px;
  flex-shrink: 0;
}
.md-field--inline .md-field__input {
  padding: 10px 14px;
  font-size: .875rem;
  border-radius: var(--md-shape-s);
}
.md-field--inline .md-field__label {
  top: 50%;
  transform: translateY(-50%);
  font-size: .875rem;
}
.md-field--inline .md-field__input:focus ~ .md-field__label,
.md-field--inline .md-field__input:not(:placeholder-shown) ~ .md-field__label {
  top: 0;
  transform: translateY(-50%) scale(.85);
}

/* -- Cards ------------------------------------------------------------------- */
.md-card {
  background: var(--md-surface);
  border-radius: var(--md-shape-m);
  box-shadow: var(--md-elev-1);
}
.md-card__header  { padding: 20px 24px 0; }
.md-card__content { padding: 16px 24px;   }
.md-card__actions { padding: 8px 16px 16px; display: flex; justify-content: flex-end; gap: 8px; }
.md-card__title   { font-size: 1.125rem; font-weight: 500; margin-bottom: 2px; }
.md-card__subtitle{ font-size: .875rem;  color: var(--md-on-surface-medium); }

/* -- Snackbar ---------------------------------------------------------------- */

/* --- Generic Toast (Snackbar) --- */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(120px);
  min-width: 240px;
  max-width: 90vw;
  background: #23272b;
  color: #fff;
  border-radius: 8px;
  padding: 16px 24px;
  font-size: 1rem;
  box-shadow: 0 6px 24px 0 rgba(0,0,0,0.32);
  z-index: 9998;
  opacity: 0;
  transition: transform .4s cubic-bezier(.4,0,.2,1), opacity .4s cubic-bezier(.4,0,.2,1);
  pointer-events: none;
  white-space: pre-line;
  overflow: hidden;
  text-overflow: ellipsis;
}
.toast.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* -- Chips ------------------------------------------------------------------- */
/* Generic badge component */
.badge {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 12px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 6px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* System badges - neutral gray for all system info */
.badge--system {
  background: rgba(96, 125, 139, 0.15);
  color: rgb(38, 50, 56);
  text-transform: uppercase;
}

/* Entity badges - secondary color light variant for GTFS relations */
.badge--entity {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}

/* Resolution warning icon */
.resolution-warning {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: #d32f2f;
  flex-shrink: 0;
}

.resolution-warning svg {
  width: 20px;
  height: 20px;
}

.resolution-warning--inline {
  width: 20px;
  height: 20px;
}

.resolution-warning--inline svg {
  width: 18px;
  height: 18px;
}

/* -- Divider ----------------------------------------------------------------- */
.md-divider { height: 1px; background: rgba(0,0,0,.10); }

/* -- =======================================================================
   LOGIN VIEW
   ======================================================================= */
.login-view {
  position: fixed;
  inset: 0;
  overflow-y: auto;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  padding: 24px;
}

.login-card {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: var(--md-surface);
  border-radius: var(--md-shape-l);
  box-shadow: var(--md-elev-2);
  overflow: hidden;
  border-top: 4px solid var(--md-primary);
}
.login-card__header {
  padding: 32px 28px 20px;
  text-align: center;
}
.login-card__title    { font-size: 1.375rem; font-weight: 500; color: var(--md-on-surface);        margin-bottom: 4px; }
.login-card__subtitle { font-size: .875rem;  color: var(--md-on-surface-medium); }

.login-card__body {
  padding: 28px 28px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.login-card__error {
  display: none;
  font-size: .8125rem;
  color: var(--md-error);
  background: var(--md-error-container);
  border-radius: var(--md-shape-xs);
  padding: 8px 12px;
  margin-bottom: 8px;
  border: 1px solid rgba(179,38,30,.2);
}
.login-card__error.is-visible { display: block; }
.login-card__actions { padding: 12px 28px 28px; }
.login-card__footer {
  padding: 0 28px 20px;
  text-align: center;
  border-top: 1px solid var(--md-surface-variant);
  margin-top: 8px;
  padding-top: 16px;
}

/* Button inline spinner */
.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .75s linear infinite;
  flex-shrink: 0;
}

/* -- =======================================================================
   APP VIEW
   ======================================================================= */

/* Fix app view to full viewport height */
[data-view="app"].is-active {
  height: 100vh;
  min-height: unset;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* App shell: sidebar + content side by side */
.app-shell {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* App footer with version info */
.app-footer {
  padding: 12px 24px;
  text-align: center;
  background: var(--md-surface);
  border-top: 1px solid var(--md-surface-variant);
  flex-shrink: 0;
}

/* Version info styling */
.version-info {
  font-size: 0.75rem;
  color: var(--md-on-surface-medium);
  font-family: 'Roboto Mono', 'Courier New', monospace;
}

/* -- Sidebar ----------------------------------------------------------------- */
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--md-surface);
  border-right: 1px solid var(--md-surface-variant);
  display: flex;
  flex-direction: column;
  padding: 12px 0;
  overflow-y: auto;
}
.sidebar__main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 8px;
}
.sidebar__bottom {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 8px 0;
  margin-top: 8px;
  border-top: 1px solid rgba(0,0,0,.08);
}

/* Nav items */
.nav-item {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border: none;
  border-radius: var(--md-shape-l);
  background: transparent;
  color: var(--md-on-surface-medium);
  font-family: inherit;
  font-size: .875rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  outline: none;
  transition: background var(--md-transition), color var(--md-transition);
}
.nav-item:hover        { background: rgba(0,0,0,.06); color: var(--md-on-surface); }
.nav-item:focus-visible { outline: 2px solid var(--md-primary); outline-offset: -2px; }
.nav-item.is-active    { background: var(--md-primary-container); color: var(--md-primary-dark); font-weight: 600; }
.nav-item .ripple      { background: rgba(0,140,153,.14); }
.nav-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.nav-item__icon svg    { width: 20px; height: 20px; }
.nav-item__label       { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; }

/* -- Main content + panels --------------------------------------------------- */
.main-content {
  flex: 1;
  background: var(--md-background);
  overflow-y: auto;
}
.panel {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
}
.panel.is-active        { display: flex; }
.panel__placeholder {
  color: var(--md-on-surface-medium);
  font-size: .9375rem;
  padding: 32px 0;
  text-align: center;
}
.panel__loading {
  color: var(--md-on-surface-medium);
  font-size: .875rem;
  text-align: center;
  padding: 24px 0;
}

/* -- Filter Popout ------------------------------------------------------- */
.filter-dropdown-container {
  position: relative;
  display: inline-block;
}

.filter-popout {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 220px;
  background: var(--md-surface);
  border-radius: var(--md-shape-md);
  box-shadow: var(--md-elev-2);
  padding: 12px;
  z-index: 100;
}

.filter-popout__section {
  margin-bottom: 16px;
}

.filter-popout__section:last-child {
  margin-bottom: 0;
}

.filter-popout__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--md-on-surface-medium);
  margin-bottom: 8px;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  cursor: pointer;
  border-radius: var(--md-shape-xs);
  transition: background var(--md-transition);
  user-select: none;
}

.filter-checkbox:hover {
  background: rgba(0, 0, 0, 0.04);
}

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

.filter-checkbox span {
  font-size: 0.875rem;
  color: var(--md-on-surface);
}

/* -- User profile card ------------------------------------------------------- */
.user-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
}
.user-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--md-primary), var(--md-primary-dark));
  color: var(--md-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 500;
  text-transform: uppercase;
  user-select: none;
  flex-shrink: 0;
  box-shadow: var(--md-elev-1);
}
.user-info__name  { font-size: 1.125rem; font-weight: 500; margin-bottom: 2px; }
.user-info__email { font-size: .875rem;  color: var(--md-on-surface-medium); margin-bottom: 6px; }
.user-info__chips { display: flex; gap: 6px; flex-wrap: wrap; }

/* -- Info grid --------------------------------------------------------------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.info-cell__label {
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--md-on-surface-medium);
  margin-bottom: 4px;
}
.info-cell__value { font-size: .9375rem; }

/* -- Accounts panel ---------------------------------------------------------- */
.user-list-header {
  padding: 20px 24px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}
/* Push first button to the right (works for all panels) */
.user-list-header > .md-btn:first-of-type {
  margin-left: auto;
}
.user-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}
.user-table th {
  text-align: left;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--md-on-surface-medium);
  padding: 8px 12px;
  border-bottom: 1px solid rgba(0,0,0,.10);
}
.user-table td {
  padding: 12px;
  border-bottom: 1px solid rgba(0,0,0,.06);
  vertical-align: middle;
}
.user-table tr:last-child td       { border-bottom: none; }
.user-table tbody tr:hover td      { background: rgba(0,0,0,.025); }
.user-table tbody tr.user-table__row--inactive { opacity: 0.6; }
.user-table__actions               { display: flex; gap: 8px; justify-content: flex-end; align-items: center; }

/* Icon buttons (edit / delete) */
.icon-btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--md-shape-xs);
  background: transparent;
  cursor: pointer;
  color: var(--md-on-surface-medium);
  outline: none;
  transition: background var(--md-transition), color var(--md-transition);
}
.icon-btn svg              { width: 20px; height: 20px; flex-shrink: 0; }
.icon-btn:hover            { background: rgba(0,0,0,.08); color: var(--md-primary); }
.icon-btn:focus-visible    { outline: 2px solid var(--md-primary); outline-offset: 2px; }
.icon-btn:disabled         { opacity: 0.38; cursor: not-allowed; pointer-events: none; }
.icon-btn--danger          { color: var(--md-on-surface-medium); }
.icon-btn--danger:hover    { background: var(--md-error-container); color: var(--md-error); }
.icon-btn--success         { color: var(--md-on-surface-medium); }
.icon-btn--success:hover   { background: #e8f5e9; color: #2e7d32; }
.icon-btn--warning         { color: var(--md-on-surface-medium); }
.icon-btn--warning:hover   { background: #fff3e0; color: #f57c00; }
.icon-btn .ripple          { background: rgba(0,0,0,.12); }
.icon-btn--compact {
  width: 24px;
  height: 24px;
  padding: 2px;
  border-radius: var(--md-shape-xs);
}
.icon-btn--compact svg { width: 16px; height: 16px; }

/* -- Settings panel ---------------------------------------------------------- */
.settings-section-label {
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--md-on-surface-medium);
  margin-top: 32px;
  margin-bottom: 16px;
}
.settings-section-label:first-child { margin-top: 0; }
.color-picker-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.color-picker-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 200px;
}
.color-picker-label {
  font-size: .875rem;
  font-weight: 500;
  color: var(--md-on-surface);
}
.color-picker-control {
  display: flex;
  align-items: center;
  gap: 10px;
}
.color-swatch-input {
  width: 40px;
  height: 40px;
  border: 1px solid var(--md-outline);
  border-radius: var(--md-shape-xs);
  padding: 2px;
  cursor: pointer;
  background: none;
  flex-shrink: 0;
}
.color-hex-input {
  width: 110px;
  padding: 10px 12px;
  font-size: .9375rem;
  font-family: monospace;
  border-radius: var(--md-shape-xs);
  border: 1px solid var(--md-outline);
  outline: none;
  transition: border-color var(--md-transition);
}
.color-hex-input:focus { border-color: var(--md-primary); border-width: 2px; }

.settings-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding-top: 8px;
}

/* GTFS status box */
.gtfs-status {
  border-radius: var(--md-shape-s);
  padding: 10px 14px;
  font-size: .875rem;
  background: var(--md-surface-variant);
  color: var(--md-on-surface-medium);
  line-height: 1.5;
  margin-bottom: 4px;
}
.gtfs-status:empty                { display: none; }
.gtfs-status--success             { background: #e6f4ea; color: #1a5c35; }
.gtfs-status--error               { background: var(--md-error-container); color: var(--md-error); }
.gtfs-status--running             { display: flex; align-items: center; gap: 10px; }
.gtfs-status__spinner             {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(0,0,0,.15);
  border-top-color: var(--md-primary);
  animation: spin .8s linear infinite;
  flex-shrink: 0;
}

/* -- Modal ------------------------------------------------------------------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal[hidden]     { display: none; }
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.45);
  animation: fade-in .15s ease both;
}
.modal__panel {
  position: relative;
  background: var(--md-surface);
  border-radius: var(--md-shape-l);
  box-shadow: var(--md-elev-4);
  width: 100%;
  max-width: 440px;
  animation: slide-up .2s var(--md-easing) both;
}
.modal__panel--sm { max-width: 360px; }
.modal__panel--lg {
  max-width: 800px;
}
@media (min-width: 768px) {
  .modal__panel--lg { max-width: 900px; }
}
@media (min-width: 1024px) {
  .modal__panel--lg { max-width: 1100px; }
}
.modal__header    { padding: 24px 24px 0; }
.modal__title     { font-size: 1.25rem; font-weight: 500; }

/* -- Modal Tabs -------------------------------------------------------------- */
.modal__tabs {
  display: flex;
  border-bottom: 1px solid var(--md-outline-variant);
  padding: 0 24px;
  margin-top: 20px;
  gap: 8px;
}

.modal__tab {
  position: relative;
  background: none;
  border: none;
  padding: 12px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  cursor: pointer;
  transition: color 0.2s var(--md-easing);
  white-space: nowrap;
}

.modal__tab:hover {
  color: var(--md-on-surface);
  background: var(--md-surface-container-low);
}

.modal__tab--active {
  color: var(--md-primary);
}

.modal__tab--active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--md-primary);
  border-radius: 3px 3px 0 0;
}

.modal__tab-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal__tab-panel[hidden] {
  display: none;
}

.tab-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.tab-panel-hint {
  font-size: 0.875rem;
  color: var(--md-on-surface-variant);
  margin: 0;
}

.modal__error-container {
  padding: 0 24px;
  min-height: 20px;
}

.modal__body      {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: calc(100vh - 280px);
  overflow-y: auto;
}
.modal__actions   { padding: 8px 16px 16px; display: flex; justify-content: flex-end; gap: 8px; }
.modal__switches  { display: flex; gap: 24px; flex-wrap: wrap; padding-top: 4px; }
.modal__switches + .md-field__helper { margin-top: 8px; margin-left: 0; line-height: 1.5; }

/* -- Modal sections (for data sources) --------------------------------------- */
.modal__section {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--md-outline-variant);
}

.modal__section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.modal__section-title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--md-on-surface-medium);
  margin: 0;
}

/* -- Mapping table ----------------------------------------------------------- */
.mapping-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
  margin-top: 8px;
}

.mapping-table th {
  text-align: left;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--md-on-surface-medium);
  padding: 8px;
  border-bottom: 1px solid rgba(0,0,0,.10);
}

.mapping-table td {
  padding: 4px;
  border-bottom: 1px solid rgba(0,0,0,.06);
  vertical-align: middle;
}

.mapping-table tr:last-child td { border-bottom: none; }

.mapping-table input {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-xs);
  font-size: .875rem;
}

.mapping-table input:focus {
  outline: 2px solid var(--md-primary);
  outline-offset: -1px;
}

/* -- View Alert Content (read-only) ------------------------------------------ */
.view-alert-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.view-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.view-section__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--md-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--md-primary-container);
}

.view-item {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--md-outline-variant);
}

.view-item:last-child {
  border-bottom: none;
}

.view-item__label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--md-on-surface-variant);
}

.view-item__content {
  font-size: 0.875rem;
  color: var(--md-on-surface);
  line-height: 1.5;
}

.view-item__content a {
  color: var(--md-primary);
  text-decoration: none;
}

.view-item__content a:hover {
  text-decoration: underline;
}

.view-item__content em {
  color: var(--md-on-surface-variant);
}

/* Entity items without label - content spans first two columns */
.view-item--entity {
  grid-template-columns: 1fr auto;
}

.view-item__warning {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  color: #d32f2f;
  flex-shrink: 0;
}

.view-item__warning svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 599px) {
  .view-item {
    grid-template-columns: 1fr auto;
    gap: 4px;
  }
  
  .view-item__label {
    grid-column: 1 / -1;
  }
  
  .view-item--entity {
    grid-template-columns: 1fr auto;
  }
}

@keyframes fade-in  { from { opacity: 0; }                            to { opacity: 1; }             }
@keyframes slide-up { from { opacity: 0; transform: translateY(12px);} to { opacity: 1; transform: translateY(0); } }

/* -- Alert list -------------------------------------------------------------- */
.alert-list {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--md-surface);
}

.alert-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--md-outline-variant);
  transition: background-color .2s var(--md-easing);
}

.alert-list-item:hover {
  background-color: var(--md-surface-container-low);
}

.alert-list-item:last-child {
  border-bottom: none;
}

.alert-list-item--inactive {
  opacity: 0.6;
}

.alert-list-item__content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.alert-list-item__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.alert-list-item__title {
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--md-on-surface);
  margin: 0;
  flex: 1;
}

.alert-list-item__badges {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  align-items: center;
}

.alert-list-item__time {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--md-on-surface-variant);
}

.alert-list-item__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.alert-list-item__entities {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.alert-list-item__actions {
  display: flex;
  align-items: center;
  align-self: flex-start;
  gap: 4px;
  flex-shrink: 0;
}

/* Alert skeleton loader */
.alert-list-item--loading {
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.alert-skeleton {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.alert-skeleton__spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--md-surface-variant);
  border-top-color: var(--md-primary);
  border-radius: 50%;
  animation: spin .75s linear infinite;
  flex-shrink: 0;
}

.alert-skeleton__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.alert-skeleton__line {
  height: 16px;
  background: linear-gradient(
    90deg,
    var(--md-surface-variant) 0%,
    var(--md-surface-container-high) 50%,
    var(--md-surface-variant) 100%
  );
  background-size: 200% 100%;
  border-radius: 4px;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
}

.alert-skeleton__line--title {
  width: 70%;
  height: 20px;
}

.alert-skeleton__line--subtitle {
  width: 50%;
  height: 14px;
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .alert-list-item {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  
  .alert-list-item__actions {
    justify-content: flex-end;
    padding-top: 8px;
    border-top: 1px solid var(--md-outline-variant);
  }
}

/* -- Pagination -------------------------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding: 16px 0;
}

.pagination__info {
  font-size: 0.875rem;
  color: var(--md-on-surface-medium);
}

.pagination__controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pagination__pages {
  padding: 0 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--md-on-surface);
}

.pagination__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--md-primary);
  cursor: pointer;
  transition: background-color var(--md-transition);
}

.pagination__btn:hover:not(:disabled) {
  background: var(--md-primary-hover-bg);
}

.pagination__btn:disabled {
  color: var(--md-on-surface-disabled);
  cursor: not-allowed;
}

.pagination__btn svg {
  width: 20px;
  height: 20px;
}

@media (max-width: 768px) {
  .pagination {
    flex-direction: column;
    gap: 16px;
  }
  
  .pagination__info {
    order: 2;
  }
  
  .pagination__controls {
    order: 1;
  }
}

/* -- Toggle switch ----------------------------------------------------------- */
.md-switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}
.md-switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.md-switch__track {
  flex-shrink: 0;
  width: 36px;
  height: 20px;
  border-radius: 10px;
  background: var(--md-outline);
  position: relative;
  transition: background var(--md-transition);
}
.md-switch__track::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--md-surface);
  top: 3px;
  left: 3px;
  transition: transform var(--md-transition);
  box-shadow: var(--md-elev-1);
}
.md-switch input:checked ~ .md-switch__track          { background: var(--md-primary); }
.md-switch input:checked ~ .md-switch__track::after   { transform: translateX(16px); }
.md-switch__label { font-size: .875rem; line-height: 1.5; }

/* -- Modal form helpers ------------------------------------------------------ */
.modal-form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.settings-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 8px;
}

.md-btn--compact {
  padding: 6px 12px;
  font-size: 0.8125rem;
  min-height: 32px;
}

/* Period/Entity/Translation item styles (simplified, lightweight) */
.alert-period-item,
.alert-translation-item,
.alert-entity-item {
  border-left: 3px solid var(--md-primary);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--md-surface);
  margin-top: 8px;
  border-radius: 0 var(--md-shape-xs) var(--md-shape-xs) 0;
}

.alert-period-item__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.alert-period-item__header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.alert-period-item__title {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.alert-period-item__fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

/* -- Autocomplete ------------------------------------------------------------ */
.autocomplete-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 400px;
  overflow-y: auto;
  background: var(--md-surface);
  border: 1px solid var(--md-outline);
  border-radius: var(--md-shape-m);
  box-shadow: var(--md-elev-3);
  z-index: 1000;
  margin-top: 4px;
}

.autocomplete-item {
  padding: 12px 16px;
  cursor: pointer;
  color: var(--md-on-surface);
  border-bottom: 1px solid rgba(0, 0, 0, .05);
  transition: background-color 0.15s, transform 0.1s;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item:hover {
  background-color: var(--md-primary-hover-bg);
  transform: translateX(2px);
}

.autocomplete-item--selected {
  background-color: var(--md-primary-container);
  border-left: 3px solid var(--md-primary);
}

.autocomplete-item__id {
  font-size: 0.75rem;
  color: var(--md-primary);
  font-weight: 600;
  font-family: 'Courier New', monospace;
  letter-spacing: 0.5px;
}

.autocomplete-item__name {
  font-size: 0.875rem;
  color: var(--md-on-surface);
  font-weight: 400;
  line-height: 1.4;
}

/* -- Responsive -------------------------------------------------------------- */
@media (max-width: 599px) {
  .sidebar { width: 60px; padding: 8px 4px; }
  .sidebar__main, .sidebar__bottom { padding: 0; }
  .nav-item { justify-content: center; padding: 0; height: 44px; border-radius: var(--md-shape-m); }
  .nav-item__label { display: none; }
  .panel { padding: 12px; }
  .user-card { grid-template-columns: auto 1fr; grid-template-rows: auto auto; }
  .user-card > .md-btn--outlined { grid-column: 1 / -1; }
  .user-table th:nth-child(2), .user-table td:nth-child(2) { display: none; }
  .login-card { border-radius: var(--md-shape-l); }
  .login-card__body,
  .login-card__actions { padding-left: 20px; padding-right: 20px; }
  .snackbar { bottom: 16px; max-width: calc(100vw - 32px); white-space: normal; }
  
  /* Full width fields on small screens */
  .alert-period-item__fields {
    grid-template-columns: 1fr;
  }
}