/*
 * static/css/components.css
 * Reusable UI components: buttons, inputs, badges, status indicators,
 * instruction cards, and animations.
 */

/* ── Status indicator (LED dot) ─────────────────────────────────────────── */

.led {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.led__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.led--green  .led__dot { background: var(--green);  box-shadow: 0 0 6px var(--green),  0 0 12px var(--green-glow); }
.led--amber  .led__dot { background: var(--amber);  box-shadow: 0 0 6px var(--amber),  0 0 12px var(--amber-glow); }
.led--red    .led__dot { background: var(--red);    box-shadow: 0 0 6px var(--red),    0 0 12px var(--red-glow); }
.led--muted  .led__dot { background: var(--text-muted); box-shadow: none; }
.led--cyan   .led__dot { background: var(--cyan);   box-shadow: 0 0 6px var(--cyan),   0 0 12px var(--cyan-glow); }

.led--green  .led__label { color: var(--green); }
.led--amber  .led__label { color: var(--amber); }
.led--red    .led__label { color: var(--red); }
.led--muted  .led__label { color: var(--text-muted); }
.led--cyan   .led__label { color: var(--cyan); }

/* Pulse for "connected" / "active" */
.led--pulse .led__dot {
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.85); }
}

/* ── Queue count badge ───────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 var(--space-2);
  border-radius: 10px;
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1;
}

.badge--cyan  { background: var(--cyan-glow);  color: var(--cyan);  border: 1px solid rgba(0,212,255,0.3); }
.badge--amber { background: var(--amber-glow); color: var(--amber); border: 1px solid rgba(255,190,11,0.3); }
.badge--muted { background: var(--bg-overlay); color: var(--text-muted); border: 1px solid var(--border-subtle); }

/* ── Buttons ─────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--duration-fast) var(--ease-in-out),
    border-color var(--duration-fast) var(--ease-in-out),
    box-shadow var(--duration-fast) var(--ease-in-out),
    transform var(--duration-fast) var(--ease-in-out);
  user-select: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.btn:active:not(:disabled) {
  transform: scale(0.97);
}

/* Primary – cyan */
.btn--primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #000;
}
.btn--primary:hover {
  background: #1de9ff;
  box-shadow: 0 0 16px var(--cyan-glow);
}

/* Ghost */
.btn--ghost {
  background: transparent;
  border-color: var(--border-muted);
  color: var(--text-secondary);
}
.btn--ghost:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

/* Danger */
.btn--danger {
  background: transparent;
  border-color: var(--red-dim);
  color: var(--red);
}
.btn--danger:hover {
  background: var(--red-glow);
  border-color: var(--red);
}

/* Icon-only */
.btn--icon {
  padding: var(--space-2);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}

/* Small */
.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  height: 28px;
}

/* ── Form elements ──────────────────────────────────────────────────────── */

.input, .textarea {
  width: 100%;
  background: var(--bg-overlay);
  border: 1px solid var(--border-muted);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  padding: var(--space-3) var(--space-4);
  transition:
    border-color var(--duration-fast) var(--ease-in-out),
    box-shadow var(--duration-fast) var(--ease-in-out);
  outline: none;
  resize: vertical;
}

.input::placeholder, .textarea::placeholder {
  color: var(--text-muted);
}

.input:focus, .textarea:focus {
  border-color: var(--cyan-dim);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.08);
}

.textarea {
  min-height: 88px;
  line-height: 1.6;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-row {
  display: flex;
  gap: var(--space-3);
  align-items: flex-end;
}

.form-row .textarea { flex: 1; }

/* ── Instruction card ─────────────────────────────────────────────────────── */

.instruction-card {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2) var(--space-4);
  align-items: start;
  transition: background var(--duration-fast) var(--ease-in-out);
  animation: card-in var(--duration-slow) var(--ease-out-expo) both;
}

@keyframes card-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.instruction-card:last-child {
  border-bottom: none;
}

.instruction-card:hover {
  background: var(--bg-hover);
}

.instruction-card__meta {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.instruction-card__pos {
  font-size: var(--text-xs);
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--cyan);
  background: var(--cyan-glow);
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  letter-spacing: 0.08em;
}

.instruction-card__content {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--text-primary);
  word-break: break-word;
  white-space: pre-wrap;
}

.instruction-card__time {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.instruction-card__actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-shrink: 0;
}

/* Edit mode */
.instruction-card__edit-area {
  grid-column: 1 / -1;
  display: flex;
  gap: var(--space-3);
  align-items: flex-end;
  margin-top: var(--space-2);
}

.instruction-card__edit-area .textarea {
  flex: 1;
  min-height: 72px;
}

/* Consumed card */
.instruction-card--consumed {
  opacity: 0.45;
}

.instruction-card--consumed .instruction-card__content {
  text-decoration: line-through;
  text-decoration-color: var(--amber-dim);
  color: var(--text-secondary);
}

.instruction-card--consumed .instruction-card__pos {
  background: var(--amber-glow);
  border-color: rgba(255,190,11,0.2);
  color: var(--amber);
}

.instruction-card--consumed:hover {
  opacity: 0.65;
}

.instruction-card__consumed-by {
  font-size: var(--text-xs);
  color: var(--amber);
  font-family: var(--font-mono);
}

/* ── Empty state ─────────────────────────────────────────────────────────── */

.empty-state {
  padding: var(--space-10) var(--space-6);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
}

.empty-state__icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-3);
  opacity: 0.4;
}

/* ── Status panel items ──────────────────────────────────────────────────── */

.stat-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.stat-row:last-child { border-bottom: none; }

.stat-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.stat-value--cyan  { color: var(--cyan); }
.stat-value--amber { color: var(--amber); }

/* ── Config form ─────────────────────────────────────────────────────────── */

.config-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.config-field:last-child { margin-bottom: 0; }

.config-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.config-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.input--sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
}

/* ── Toast notification ──────────────────────────────────────────────────── */

#toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  background: var(--bg-overlay);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  animation: toast-in var(--duration-normal) var(--ease-out-expo) both;
  pointer-events: auto;
  max-width: 320px;
}

.toast--success { border-color: var(--green-dim); color: var(--green); }
.toast--error   { border-color: var(--red-dim);   color: var(--red); }
.toast--info    { border-color: var(--cyan-dim);   color: var(--cyan); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to   { opacity: 0; transform: translateY(4px) scale(0.97); }
}

/* ── Theme toggle (header) ────────────────────────────────────────────────── */

#theme-toggle {
  color: var(--text-secondary);
  border-color: transparent;
  transition: color var(--duration-fast) var(--ease-in-out),
              background var(--duration-fast) var(--ease-in-out);
}

#theme-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  border-color: var(--border-subtle);
}

/* ── SVG icons ───────────────────────────────────────────────────────────── */

.icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  stroke-width: 2;
  stroke: currentColor;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon--sm { width: 12px; height: 12px; }

/* ── Page load animation ─────────────────────────────────────────────────── */

.fade-in {
  animation: fade-in var(--duration-slow) var(--ease-out-expo) both;
}

.fade-in--delay-1 { animation-delay: 60ms; }
.fade-in--delay-2 { animation-delay: 120ms; }
.fade-in--delay-3 { animation-delay: 200ms; }
.fade-in--delay-4 { animation-delay: 300ms; }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Loading spinner ─────────────────────────────────────────────────────── */

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-muted);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* ── Auth overlay ─────────────────────────────────────────────────────────── */

.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--bg-void) 44%, transparent);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.auth-card {
  width: 100%;
  max-width: 380px;
  margin: var(--space-4);
  padding: var(--space-8);
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.48);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.auth-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--cyan) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--cyan) 25%, transparent);
  margin-bottom: var(--space-2);
}

.auth-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.auth-card__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

.auth-card__desc code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--cyan);
  background: color-mix(in srgb, var(--cyan) 10%, transparent);
  padding: 1px 5px;
  border-radius: 3px;
}

.auth-card__form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.auth-card__error {
  font-size: var(--text-xs);
  color: var(--red);
  margin: 0;
}

.confirm-card {
  max-width: 420px;
}

.confirm-card__icon--danger {
  color: var(--red);
  background: color-mix(in srgb, var(--red) 12%, transparent);
  border-color: color-mix(in srgb, var(--red) 30%, transparent);
}

.confirm-card__actions {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.confirm-card__actions .btn {
  width: 100%;
}

/* ── Quick shortcuts ─────────────────────────────────────────────────────── */

.shortcuts-container {
  margin-top: var(--space-3);
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.shortcuts-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.shortcuts-label {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  flex-shrink: 0;
}

.shortcut-edit-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 150ms, color 150ms;
}
.shortcut-edit-toggle:hover {
  border-color: var(--border-strong);
  color: var(--text-secondary);
}

.shortcuts-rail {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  min-height: 28px;
}

/* Individual shortcut chip */
.shortcut-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  max-width: 220px;
  padding: 4px var(--space-3);
  background: var(--bg-overlay);
  border: 1px solid var(--border-muted);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  transition: border-color 140ms ease, color 140ms ease,
              background 140ms ease, transform 80ms ease;
  user-select: none;
}

.shortcut-chip:hover {
  border-color: var(--cyan-dim);
  color: var(--text-primary);
  background: var(--bg-hover);
}

.shortcut-chip:active {
  transform: scale(0.95);
}

.shortcut-chip__text {
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

/* Delete handle (shown in edit mode) */
.shortcut-chip__del {
  display: none; /* toggled via JS */
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--red-dim);
  color: var(--red);
  transition: background 120ms;
}
.shortcut-chip:hover .shortcut-chip__del {
  background: var(--red);
  color: #fff;
}

/* Edit handle (shown in edit mode) */
.shortcut-chip__edit {
  display: none; /* toggled via JS */
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--border-muted);
  color: var(--text-secondary);
  transition: background 120ms;
}
.shortcut-chip:hover .shortcut-chip__edit {
  background: var(--cyan-dim);
  color: var(--cyan);
}

/* Inline chip edit row */
.shortcut-inline-edit {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  animation: chip-fire 160ms ease;
}
.shortcut-inline-input {
  width: 180px;
  padding: 3px var(--space-2);
  font-size: var(--text-xs);
  height: 26px;
}

/* Firing state (just clicked) */
.shortcut-chip--firing {
  border-color: var(--cyan);
  color: var(--cyan);
  animation: chip-fire 280ms ease;
}

/* Sent confirmation flash */
.shortcut-chip--sent {
  border-color: var(--green);
  color: var(--green);
  animation: chip-sent 600ms ease;
}

/* Add chip */
.shortcut-chip--add {
  border-style: dashed;
  border-color: var(--border-subtle);
  color: var(--text-muted);
  gap: var(--space-1);
  padding: 4px var(--space-2);
}
.shortcut-chip--add:hover {
  border-color: var(--cyan-dim);
  color: var(--cyan);
}

/* Chip animations */
@keyframes chip-fire {
  0%   { transform: scale(1); }
  40%  { transform: scale(0.93); }
  100% { transform: scale(1); }
}

@keyframes chip-sent {
  0%   { box-shadow: 0 0 0 0 var(--green-glow); }
  50%  { box-shadow: 0 0 0 6px transparent; }
  100% { box-shadow: none; }
}

@keyframes chip-vanish {
  to { opacity: 0; transform: scale(0.8); width: 0; padding: 0; margin: 0; }
}

/* Add shortcut inline form */
.shortcut-add-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--space-1);
  animation: fade-in-up 180ms ease;
}

.shortcut-add-actions {
  display: flex;
  gap: var(--space-2);
}