/* ============================================================
   Components
   ============================================================ */

/* ── Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--gap-lg);
}
.card-pressable {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--gap-lg);
  transition: background .15s, transform .1s;
  cursor: pointer;
  user-select: none;
}
.card-pressable:hover { background: var(--card-hover); }
.card-pressable:active { transform: scale(0.98); }
.card-pressable.is-selected {
  background: var(--accent-dim);
  border-color: var(--accent);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--gap-sm);
  padding: 10px 16px;
  border-radius: var(--r-md);
  font-weight: 600;
  font-size: 14px;
  transition: background .15s, transform .1s, opacity .15s;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:active:not(:disabled) { transform: scale(0.97); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: #1A1810;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-light); }

.btn-secondary {
  background: var(--surface-light);
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-secondary:hover:not(:disabled) { background: var(--card-hover); }

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover:not(:disabled) { background: var(--accent-dim); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--surface-light);
  color: var(--text-primary);
}

.btn-success { background: var(--success); color: #0D1A12; }
.btn-success:hover:not(:disabled) { filter: brightness(1.1); }

.btn-danger  { background: var(--danger);  color: #1F0E0E; }
.btn-danger:hover:not(:disabled) { filter: brightness(1.1); }

.btn-info    { background: var(--info);    color: #0E1828; }
.btn-info:hover:not(:disabled) { filter: brightness(1.1); }

.btn-icon {
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  background: var(--surface-light);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background .15s, color .15s;
}
.btn-icon:hover { background: var(--card-hover); color: var(--text-primary); }
.btn-icon.is-active { background: var(--accent-dim); color: var(--accent); border-color: var(--accent); }

.btn-block { width: 100%; }
.btn-lg { padding: 14px 20px; font-size: 15px; }
.btn-sm { padding: 6px 10px; font-size: 12px; }

/* ── Inputs ── */
.input {
  display: block;
  width: 100%;
  padding: 12px 14px;
  background: var(--surface-light);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-primary);
  outline: none;
  transition: border-color .15s;
}
.input::placeholder { color: var(--text-muted); }
.input:focus { border-color: var(--accent); }

/* ── Material Symbols icon helper ── */
.icon {
  font-family: 'Material Symbols Rounded';
  font-weight: normal;
  font-style: normal;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
  user-select: none;
}
.icon-sm { font-size: 16px; }
.icon-md { font-size: 20px; }
.icon-lg { font-size: 24px; }
.icon-xl { font-size: 32px; }

/* ── App shell (Scaffold equivalent) ── */
.app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.app-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--gap-lg);
  height: 56px;
  display: flex;
  align-items: center;
  gap: var(--gap-md);
  flex-shrink: 0;
}
.app-bar-bottom {
  background: var(--surface-light);
  border-bottom: 1px solid var(--border);
  padding: 8px var(--gap-lg);
  flex-shrink: 0;
}
.app-bar h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  flex: 1;
}
.app-bar .back-btn {
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  border-radius: var(--r-md);
  cursor: pointer;
}
.app-bar .back-btn:hover { background: var(--surface-light); }

.app-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  position: relative;
}

.app-bottom-bar {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--gap-md) var(--gap-lg);
  flex-shrink: 0;
}

/* ── Dialog / Modal ── */
.dialog-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--gap-lg);
  animation: fadeIn .15s ease;
}
.dialog {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: dialogIn .2s ease;
}
.dialog-header {
  padding: var(--gap-lg);
  display: flex;
  align-items: center;
  gap: var(--gap-md);
  border-bottom: 1px solid var(--border);
}
.dialog-body {
  padding: var(--gap-lg);
  overflow-y: auto;
}
.dialog-footer {
  padding: var(--gap-md) var(--gap-lg);
  border-top: 1px solid var(--border);
  display: flex;
  gap: var(--gap-md);
  justify-content: flex-end;
}

/* ── Bottom Sheet ── */
.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn .15s ease;
}
.sheet {
  background: var(--surface);
  border-top-left-radius: var(--r-xl);
  border-top-right-radius: var(--r-xl);
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: sheetIn .25s cubic-bezier(0.16, 1, 0.3, 1);
}
.sheet-handle {
  width: 40px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin: 12px auto 8px;
  flex-shrink: 0;
}
.sheet-header {
  padding: 8px var(--gap-lg) var(--gap-md);
  display: flex;
  align-items: center;
  gap: var(--gap-md);
  flex-shrink: 0;
}
.sheet-body {
  padding: 0 var(--gap-lg) var(--gap-lg);
  overflow-y: auto;
  flex: 1;
}
.sheet-footer {
  padding: var(--gap-md) var(--gap-lg);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes dialogIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes sheetIn {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

/* ── Snackbar / Toast ── */
.snackbar-host {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--gap-sm);
  align-items: center;
  pointer-events: none;
}
.snackbar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 10px 16px;
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  animation: snackIn .25s ease, snackOut .25s ease 2.6s forwards;
  pointer-events: auto;
  max-width: 90vw;
}
.snackbar.is-success { border-color: var(--success); }
.snackbar.is-danger  { border-color: var(--danger); }
@keyframes snackIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes snackOut {
  to { opacity: 0; transform: translateY(20px); }
}

/* ── Welcome banner (demo-only) ── */
.demo-banner {
  background: linear-gradient(90deg, var(--accent-dim), var(--surface-light));
  border-bottom: 1px solid var(--accent);
  padding: 6px var(--gap-lg);
  font-size: 11px;
  color: var(--accent-light);
  text-align: center;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--gap-sm);
  flex-shrink: 0;
}
.demo-banner .reset-btn {
  margin-left: auto;
  background: transparent;
  color: var(--accent-light);
  border: 1px solid var(--accent);
  padding: 2px 8px;
  border-radius: var(--r-sm);
  font-size: 10px;
  cursor: pointer;
}
.demo-banner .reset-btn:hover { background: var(--accent); color: #1A1810; }