frontend/src/styles/components.css

/* ---------------------------------------------------------------------------
   Shared component primitives. Page-level layout lives in each page's scoped
   styles; anything used by more than one surface lives here.
--------------------------------------------------------------------------- */

/* ---- Shared keyframes (referenced by scoped styles too) ---- */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

@keyframes pop {
  0% { transform: scale(0.6); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* ---------------------------------------------------------------------------
   Buttons. Primary = ink, secondary = outlined surface, ghost = quiet,
   danger = destructive only. Hover lifts, press settles — both subtle.
--------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  padding: 0.6rem 1.05rem;
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1.25;
  cursor: pointer;
  text-decoration: none;
  background: transparent;
  color: var(--ink);
  transition:
    background-color var(--dur-1) var(--ease-out),
    border-color var(--dur-1) var(--ease-out),
    color var(--dur-1) var(--ease-out),
    box-shadow var(--dur-1) var(--ease-out),
    transform var(--dur-1) var(--ease-out);
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-ink);
  box-shadow: var(--shadow-1);
}

.btn-primary:hover:not(:disabled) {
  background: var(--btn-primary-bg-hover);
  box-shadow: var(--shadow-2);
}

.btn-secondary {
  background: var(--surface);
  border-color: var(--line-strong);
  color: var(--ink);
  box-shadow: var(--shadow-1);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--ink-3);
  background: var(--surface-2);
}

.btn-ghost {
  color: var(--ink-2);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--surface-3);
  color: var(--ink);
}

.btn-danger {
  background: var(--btn-danger-bg);
  color: var(--btn-danger-ink);
}

.btn-danger:hover:not(:disabled) {
  background: var(--btn-danger-bg-hover);
}

.btn-link {
  padding: 0.25rem 0.4rem;
  border-radius: var(--r-sm);
  color: var(--accent);
  font-weight: 600;
  font-size: var(--text-sm);
}

.btn-link:hover:not(:disabled) {
  background: var(--accent-soft);
  color: var(--accent-on-soft);
}

.btn-sm {
  padding: 0.38rem 0.72rem;
  font-size: var(--text-sm);
  border-radius: var(--r-sm);
}

.btn-block {
  width: 100%;
}

/* Icon-only buttons stay square and ≥ 36px so they remain comfortable taps. */
.btn-icon {
  padding: 0.5rem;
  min-width: 2.25rem;
  min-height: 2.25rem;
}

/* ---------------------------------------------------------------------------
   Cards & panels
--------------------------------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
  padding: var(--s-5);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  margin-bottom: var(--s-4);
}

.card-head h2,
.card-head h3 {
  display: flex;
  align-items: center;
  gap: var(--s-2);
}

.well {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--s-4);
}

/* ---------------------------------------------------------------------------
   Status badges — a tinted chip with a dot, so state never relies on color
   alone. Tones: neutral, ok, warn, danger, info.
--------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.34rem;
  padding: 0.18rem 0.58rem;
  border-radius: var(--r-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.01em;
  background: var(--surface-2);
  color: var(--ink-2);
  border: 1px solid var(--line);
  white-space: nowrap;
}

.badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}

.badge-ok {
  background: var(--ok-soft);
  color: var(--ok-on-soft);
  border-color: color-mix(in srgb, var(--ok) 30%, transparent);
}

.badge-warn {
  background: var(--warn-soft);
  color: var(--warn-on-soft);
  border-color: color-mix(in srgb, var(--warn) 30%, transparent);
}

.badge-danger {
  background: var(--danger-soft);
  color: var(--danger-on-soft);
  border-color: color-mix(in srgb, var(--danger) 30%, transparent);
}

.badge-info {
  background: var(--accent-soft);
  color: var(--accent-on-soft);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

/* ---------------------------------------------------------------------------
   Notes & inline messages
--------------------------------------------------------------------------- */
.note {
  display: flex;
  gap: var(--s-3);
  align-items: flex-start;
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--ink-2);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.note > svg {
  flex: none;
  margin-top: 0.1rem;
}

.note-warn {
  background: var(--warn-soft);
  border-color: color-mix(in srgb, var(--warn) 28%, transparent);
  color: var(--warn-on-soft);
}

.note-danger {
  background: var(--danger-soft);
  border-color: color-mix(in srgb, var(--danger) 28%, transparent);
  color: var(--danger-on-soft);
}

.note-ok {
  background: var(--ok-soft);
  border-color: color-mix(in srgb, var(--ok) 28%, transparent);
  color: var(--ok-on-soft);
}

.note-info {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 28%, transparent);
  color: var(--accent-on-soft);
}

/* Inline, per-field validation message. */
.field-error {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: var(--s-1);
  color: var(--danger);
  font-size: var(--text-sm);
  animation: fade-up var(--dur-2) var(--ease-out);
}

/* ---------------------------------------------------------------------------
   Chat bubbles (public claim + staff transcript)
--------------------------------------------------------------------------- */
.bubble {
  max-width: 84%;
  padding: 0.62rem 0.85rem;
  border-radius: var(--r-lg);
  line-height: 1.5;
  word-break: break-word;
  animation: fade-up var(--dur-3) var(--ease-out);
  font-size: var(--text-base);
}

.bubble .who {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  margin-bottom: 0.12rem;
}

.bubble.assistant,
.bubble.system {
  align-self: flex-start;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-bottom-left-radius: var(--r-sm);
  color: var(--ink);
}

.bubble.assistant .who {
  color: var(--ink-3);
}

.bubble.user {
  align-self: flex-end;
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-bottom-right-radius: var(--r-sm);
  color: var(--ink);
}

.bubble.user .who {
  color: var(--accent-on-soft);
}

.bubble.staff {
  align-self: flex-start;
  background: var(--warn-soft);
  border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent);
  border-bottom-left-radius: var(--r-sm);
  color: var(--ink);
}

.bubble.staff .who {
  color: var(--warn-on-soft);
}

.bubble.photo-bubble {
  padding: 0.3rem;
}

.bubble.photo-bubble img {
  display: block;
  max-width: 200px;
  border-radius: calc(var(--r-lg) - 4px);
}

.typing-dots {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  padding: 0.2rem 0;
}

.typing-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-3);
  animation: typing-bounce 1.2s infinite var(--ease-out);
}

.typing-dots i:nth-child(2) { animation-delay: 0.15s; }
.typing-dots i:nth-child(3) { animation-delay: 0.3s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* ---------------------------------------------------------------------------
   Lists & micro-layout utilities
--------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--s-4);
}

.grid-2 {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.row {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  min-width: 0;
}

/* A truncating child inside a .row must be allowed to shrink below its
   content width, or it inflates the whole layout (flex min-width:auto). */
.row > .trunc {
  flex: 1 1 auto;
  min-width: 0;
}

.wrap {
  flex-wrap: wrap;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-2);
}

.stack {
  display: grid;
  gap: var(--s-3);
}

.muted {
  color: var(--ink-3);
}

.optional {
  font-weight: 400;
  color: var(--ink-3);
}

.brand-name {
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Top bar shared by Home, the public claim page, and the staff gate. */
.page-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding: var(--s-2) 0 var(--s-5);
}

.back-link {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  text-decoration: none;
  color: inherit;
  border-radius: var(--r-md);
  min-width: 0;
}

.section-title {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--text-base);
  font-weight: 650;
  margin-bottom: var(--s-2);
}

.section-title svg {
  color: var(--ink-3);
}

.hint {
  color: var(--ink-3);
  font-size: var(--text-sm);
  line-height: 1.5;
  margin: var(--s-1) 0 0;
}

.req {
  color: var(--danger);
  margin-left: 0.12rem;
}

.trunc {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.mono {
  font-family: var(--font-mono);
}

.clamp-2,
.clamp-3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.clamp-2 { -webkit-line-clamp: 2; line-clamp: 2; }
.clamp-3 { -webkit-line-clamp: 3; line-clamp: 3; }

.meta {
  color: var(--ink-3);
  font-size: var(--text-sm);
  line-height: 1.5;
}

/* Hide visually, keep for screen readers. */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* File-picker disguised as a button; input stays focusable for keyboards. */
.file-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  padding: 0.45rem 0.85rem;
  border-radius: var(--r-md);
  border: 1px dashed var(--line-strong);
  background: var(--surface);
  color: var(--ink-2);
  font-size: var(--text-sm);
  font-weight: 600;
  margin: 0;
  transition: border-color var(--dur-1) var(--ease-out), background-color var(--dur-1) var(--ease-out), color var(--dur-1) var(--ease-out);
}

.file-btn:hover {
  border-color: var(--ink-3);
  background: var(--surface-2);
  color: var(--ink);
}

.file-btn:focus-within {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.file-btn input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Inline confirmation for destructive actions — appears in place, cancellable,
   and Esc-dismissable (wired in markup). */
.inline-confirm {
  margin-top: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
  border-radius: var(--r-md);
  background: var(--danger-soft);
  animation: fade-up var(--dur-2) var(--ease-out);
}

.inline-confirm p {
  margin: 0 0 var(--s-2);
  color: var(--danger-on-soft);
  font-size: var(--text-sm);
}

/* Selectable list cards (claims, events). */
.list-card {
  display: grid;
  gap: 0.45rem;
  width: 100%;
  text-align: left;
  padding: var(--s-3) var(--s-4);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  color: inherit;
  cursor: pointer;
  font: inherit;
  transition:
    border-color var(--dur-1) var(--ease-out),
    background-color var(--dur-1) var(--ease-out),
    transform var(--dur-1) var(--ease-out),
    box-shadow var(--dur-1) var(--ease-out);
}

.list-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-1);
}

.list-card:active {
  transform: translateY(1px);
}

.list-card.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 2px 0 0 var(--accent);
}

[data-theme="dark"] .list-card.active {
  background: var(--accent-soft);
}

/* On touch devices, grow compact controls to a comfortable tap size without
   changing their visual weight (padding/min-height only, same font). */
@media (pointer: coarse) {
  .btn-sm,
  .btn-link {
    min-height: 2.5rem;
  }

  .btn-icon {
    min-width: 2.75rem;
    min-height: 2.75rem;
  }

  .filter-chip {
    min-height: 2.25rem;
  }

  .toast-close {
    padding: 0.55rem;
  }

  .file-btn {
    min-height: 2.5rem;
  }
}