/*
 * app.css — Beta Power Components
 * Layout and component styles. BUS dark theme.
 */

*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: var(--font-body);
  color: var(--color-on-surface);
  background: var(--color-surface-variant);
  min-height: 100vh;
  margin: 0;
}

/* ════════════════════════════════════════════
   APP SHELL
   ════════════════════════════════════════════ */
.app-shell {
  display: grid;
  grid-template-rows: var(--app-bar-height) 4px 1fr;
  min-height: 100vh;
}

/* ── App Bar ── */
.app-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 16px;
  padding-inline: 32px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-elevated);
}

.app-bar__logo {
  height: 52px;
  width: auto;
}

.app-bar__titles {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.app-bar__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  line-height: 1;
  color: #ffffff;
}

.app-bar__subtitle {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.app-bar__nav {
  display: flex;
  gap: 8px;
}

.nav-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: background var(--transition-standard),
              border-color var(--transition-standard);
}

.nav-btn:hover,
.nav-btn.active {
  background: rgba(232, 84, 26, 0.25);
  border-color: var(--color-accent);
}

/* ── Orange accent bar ── */
.app-bar-accent {
  background: var(--color-accent);
  height: 4px;
}

/* ── Main content ── */
.app-main {
  padding: 32px;
  max-width: var(--content-max-width);
  margin-inline: auto;
  width: 100%;
}

/* ════════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: var(--radius-button);
  border: none;
  cursor: pointer;
  transition: background var(--transition-standard),
              transform var(--transition-standard);
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
}
.btn-primary:hover { background: var(--color-accent-dark); }

.btn-secondary {
  background: var(--color-primary-light);
  color: #ffffff;
  border: 1px solid var(--color-input-border);
}
.btn-secondary:hover { background: var(--color-primary); }

.btn-ghost {
  background: transparent;
  color: var(--color-on-surface-muted);
  border: 1px solid var(--color-outline);
}
.btn-ghost:hover {
  color: #ffffff;
  border-color: var(--color-accent);
}

.btn-danger {
  background: transparent;
  color: var(--color-error);
  border: 1px solid var(--color-error);
}
.btn-danger:hover {
  background: rgba(255,82,82,0.1);
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--color-on-surface-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-button);
  font-size: 1.1rem;
  line-height: 1;
  transition: color var(--transition-standard);
}
.btn-icon:hover { color: var(--color-accent); }

/* ════════════════════════════════════════════
   FORM INPUTS
   ════════════════════════════════════════════ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-on-surface-muted);
}

.form-input,
.form-select,
.form-textarea {
  background: var(--color-input-bg);
  color: var(--color-input-text);
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-input);
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  width: 100%;
  transition: border-color var(--transition-standard),
              box-shadow var(--transition-standard);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(232, 84, 26, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.form-select option {
  background: var(--color-surface-card);
  color: #ffffff;
}

/* ════════════════════════════════════════════
   SECTION HEADERS
   ════════════════════════════════════════════ */
.section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.section-header::before,
.section-header::after {
  content: '';
  flex: 1;
  height: 2px;
  background: var(--color-accent);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-on-surface);
  white-space: nowrap;
}

/* ════════════════════════════════════════════
   VIEW HEADER
   ════════════════════════════════════════════ */
.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  flex: 1;
  max-width: 380px;
}

.search-input-wrap .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-on-surface-muted);
  font-size: 1rem;
  pointer-events: none;
}

.search-input-wrap .form-input {
  padding-left: 36px;
}

/* ════════════════════════════════════════════
   POWER CARDS GRID
   ════════════════════════════════════════════ */
.powers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.power-card {
  background: #f5f5f5;
  border-radius: 6px;
  box-shadow: 0 5px 5px rgba(0,0,0,.35);
  padding: 20px;
  cursor: pointer;
  margin: 8px;
  border-left: 4px solid var(--color-accent);
  transition: box-shadow var(--transition-standard),
              transform var(--transition-standard);
}

.power-card:hover {
  box-shadow: 0 8px 12px rgba(0,0,0,.45);
  transform: translateY(-2px);
}

.power-card__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #1a1a1a;
  margin-bottom: 4px;
}

.power-card__type {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 12px;
}

.power-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 2px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: rgba(232, 84, 26, 0.12);
  color: var(--color-accent);
  border: 1px solid rgba(232, 84, 26, 0.25);
}

.power-card__cp {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: #555;
}

/* ════════════════════════════════════════════
   POWER DETAIL
   ════════════════════════════════════════════ */
.power-detail {
  background: var(--color-surface-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-elevated);
  padding: 32px;
  margin-bottom: 24px;
}

.power-detail__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--color-accent);
}

.power-detail__name {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #ffffff;
}

.power-detail__type {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-accent);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-top: 4px;
}

.power-detail__actions {
  display: flex;
  gap: 8px;
}

.power-detail__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 20px;
  padding: 16px;
  background: rgba(0,0,0,.2);
  border-radius: var(--radius-card);
}

.stat-pill__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-on-surface-muted);
  display: block;
  margin-bottom: 2px;
}

.stat-pill__value {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
}

.power-detail__description {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-on-surface-muted);
  margin-bottom: 28px;
  white-space: pre-wrap;
}

/* ── Modifier sections ── */
.modifier-section {
  margin-bottom: 20px;
}

.modifier-section__title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-outline);
}

.modifier-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.modifier-row {
  display: grid;
  grid-template-columns: 180px 90px 1fr;
  gap: 12px;
  align-items: start;
  padding: 10px 14px;
  background: rgba(0,0,0,.25);
  border-radius: 3px;
  border-left: 3px solid transparent;
  transition: border-color var(--transition-standard);
}

.modifier-row:hover {
  border-left-color: var(--color-accent);
}

.modifier-row__name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: #ffffff;
}

.modifier-row__cost {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-accent);
  text-align: center;
}

.modifier-row__desc {
  font-size: 0.85rem;
  color: var(--color-on-surface-muted);
  line-height: 1.5;
}

/* ── More Info ── */
.more-info {
  margin-top: 20px;
  border-top: 1px solid var(--color-outline);
  padding-top: 16px;
}

.more-info__toggle {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-accent);
  padding: 0;
  transition: color var(--transition-standard);
}

.more-info__toggle:hover { color: #ffffff; }

.more-info__content {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-on-surface-muted);
}

.more-info__content table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 12px;
  font-size: 0.85rem;
}

.more-info__content th {
  background: var(--color-primary-dark);
  color: var(--color-on-surface-muted);
  font-family: var(--font-display);
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 8px 12px;
  text-align: left;
  font-size: 0.75rem;
  border-bottom: 2px solid var(--color-accent);
}

.more-info__content td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-outline);
  color: var(--color-on-surface-muted);
}

.more-info__content tr:hover td {
  background: rgba(232, 84, 26, 0.05);
}

/* ════════════════════════════════════════════
   MODAL OVERLAY
   ════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal {
  background: var(--color-surface-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  border-top: 4px solid var(--color-accent);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--color-outline);
}

.modal__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #ffffff;
}

.modal__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--color-outline);
}

/* ════════════════════════════════════════════
   STATE INDICATORS
   ════════════════════════════════════════════ */
.state-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 48px;
  color: var(--color-on-surface-muted);
  font-family: var(--font-display);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--color-outline);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.state-error {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(255, 82, 82, 0.1);
  color: var(--color-error);
  border-radius: var(--radius-card);
  border-left: 4px solid var(--color-error);
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.empty-state {
  text-align: center;
  color: var(--color-on-surface-muted);
  padding: 64px 24px;
  font-family: var(--font-display);
  letter-spacing: .06em;
  text-transform: uppercase;
  grid-column: 1 / -1;
}

/* ════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════ */
@media (max-width: 768px) {
  .app-main { padding: 16px; }
  .app-bar__nav { display: none; }
  .powers-grid { grid-template-columns: 1fr; }
  .modifier-row {
    grid-template-columns: 1fr 70px;
  }
  .modifier-row__desc { grid-column: 1 / -1; }
  .modal { max-width: 100%; }
}

.modifier-section__title {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.btn-add-child {
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: background var(--transition-standard);
}

.btn-add-child:hover {
  background: rgba(232, 84, 26, 0.15);
}

.modifier-empty {
  font-size: 0.8rem;
  color: var(--color-on-surface-muted);
  padding: 8px 0;
  font-style: italic;
}

/* ── Chip row filter ── */
.chip-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  background: transparent;
  border: 1px solid var(--color-outline);
  color: var(--color-on-surface-muted);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition-standard);
}

.chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.chip.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

/* ── Type badge ── */
.type-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.type-badge--advantage {
  background: rgba(52, 168, 83, 0.15);
  color: #34a853;
  border: 1px solid rgba(52, 168, 83, 0.3);
}

.type-badge--adder {
  background: rgba(66, 133, 244, 0.15);
  color: #4285f4;
  border: 1px solid rgba(66, 133, 244, 0.3);
}

.type-badge--limitation {
  background: rgba(234, 67, 53, 0.15);
  color: #ea4335;
  border: 1px solid rgba(234, 67, 53, 0.3);
}

/* ── Modifier row actions ── */
.modifier-row {
  display: grid;
  grid-template-columns: 180px auto 1fr;
  grid-template-rows: auto auto;
  gap: 6px 12px;
  align-items: start;
  padding: 10px 14px;
  background: rgba(0,0,0,.25);
  border-radius: 3px;
  border-left: 3px solid transparent;
  transition: border-color var(--transition-standard);
}

.modifier-row:hover {
  border-left-color: var(--color-accent);
}

.modifier-row__name {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: #ffffff;
}

.modifier-row__cost {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-accent);
  text-align: center;
}

.modifier-row__actions {
  grid-column: 3;
  grid-row: 1;
  display: flex;
  gap: 4px;
  justify-content: flex-end;
  flex-shrink: 0;
}

.modifier-row__desc {
  grid-column: 1 / -1;
  grid-row: 2;
  font-size: 0.85rem;
  color: var(--color-on-surface-muted);
  line-height: 1.5;
}

/* ── Toggle pill ── */
.toggle-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-round);
  font-size: 0.75rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  min-width: 44px;
  justify-content: center;
  flex-shrink: 0;
}
.toggle-pill--on  { background: var(--green-7);  color: var(--green-1); }
.toggle-pill--off { background: var(--surface-3); color: var(--text-2); }

/* ── Inline modifier input ── */
.modifier-inline-input {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
  width: 100%;
}
.form-input--sm {
  max-width: 140px;
  padding: 4px 8px;
  font-size: 0.875rem;
}
.btn-sm {
  padding: 4px 10px;
  font-size: 0.8rem;
}
.modifier-inline-error {
  color: var(--red-5);
  font-size: 0.8rem;
}
.modifier-row--selectable {
  flex-wrap: wrap;
  align-items: flex-start;
}

/* ── Success toast ── */
.state-success {
  background: var(--green-9);
  color: var(--green-1);
  padding: 10px 16px;
  border-radius: var(--radius-2);
  margin-bottom: 16px;
}

.bus-dialog-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    align-items: flex-start;
    justify-content: center;
}

.bus-dialog-overlay.is-open {
    display: flex;
}

@keyframes busDialogFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}