/**
 * Blockwave Router — UI Components (buttons, tabs, chips, forms)
 */
@import url("./tokens.css");

.bw-container {
  width: var(--bw-container);
  margin-inline: auto;
  padding-inline: var(--bw-space-4);
}

/* ─── Buttons ─── */
.bw-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--bw-space-2);
  font-family: var(--bw-font-sans);
  font-weight: 600;
  font-size: var(--bw-text-sm);
  line-height: 1.2;
  border-radius: var(--bw-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
  white-space: nowrap;
}

.bw-btn:active {
  transform: translateY(1px);
}

.bw-btn-sm {
  padding: 0.5rem 0.875rem;
  font-size: var(--bw-text-xs);
}

.bw-btn-md {
  padding: 0.625rem 1.125rem;
}

.bw-btn-lg {
  padding: 0.875rem 1.5rem;
  font-size: var(--bw-text-base);
}

.bw-btn-primary {
  background: var(--bw-gradient);
  color: #fff;
  box-shadow: var(--bw-shadow-sm);
}

.bw-btn-primary:hover {
  filter: brightness(1.08);
}

.bw-btn-secondary {
  background: var(--bw-primary-soft);
  color: var(--bw-text);
  border-color: var(--bw-border);
}

.bw-btn-secondary:hover {
  background: rgba(79, 124, 255, 0.2);
  border-color: var(--bw-primary);
}

.bw-btn-ghost {
  background: transparent;
  color: var(--bw-text-secondary);
  border-color: var(--bw-border);
}

.bw-btn-ghost:hover {
  color: var(--bw-text);
  border-color: var(--bw-border-strong);
  background: rgba(255, 255, 255, 0.03);
}

.bw-btn-outline {
  background: transparent;
  color: var(--bw-primary);
  border-color: var(--bw-primary);
}

.bw-btn-block {
  width: 100%;
}

/* ─── Tabs ─── */
.bw-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--bw-space-2);
  border-bottom: 1px solid var(--bw-border);
  margin-bottom: var(--bw-space-4);
}

.bw-tab {
  appearance: none;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: var(--bw-space-3) var(--bw-space-4);
  color: var(--bw-text-muted);
  font-weight: 600;
  font-size: var(--bw-text-sm);
  cursor: pointer;
  font-family: var(--bw-font-sans);
}

.bw-tab:hover {
  color: var(--bw-text-secondary);
}

.bw-tab.is-active {
  color: var(--bw-primary);
  border-bottom-color: var(--bw-primary);
}

.bw-tab-panel {
  display: none;
}

.bw-tab-panel.is-active {
  display: block;
}

/* ─── Chips / badges ─── */
.bw-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--bw-radius-pill);
  font-size: var(--bw-text-xs);
  font-weight: 600;
  border: 1px solid var(--bw-border);
  background: var(--bw-bg-surface);
  color: var(--bw-text-secondary);
}

.bw-chip-primary {
  background: var(--bw-primary-soft);
  border-color: rgba(79, 124, 255, 0.35);
  color: #aecbff;
}

.bw-chip-success {
  background: rgba(52, 211, 153, 0.12);
  border-color: rgba(52, 211, 153, 0.35);
  color: #6ee7b7;
}

/* ─── Lang switch ─── */
.bw-lang-switch {
  display: inline-flex;
  border: 1px solid var(--bw-border);
  border-radius: var(--bw-radius-sm);
  overflow: hidden;
  background: var(--bw-bg-surface);
}

.bw-lang-switch button {
  border: none;
  background: transparent;
  color: var(--bw-text-muted);
  padding: 0.35rem 0.65rem;
  font-size: var(--bw-text-xs);
  font-weight: 700;
  cursor: pointer;
  font-family: var(--bw-font-sans);
}

.bw-lang-switch button.is-active {
  background: var(--bw-primary-soft);
  color: var(--bw-text);
}

/* ─── Forms (app) ─── */
.bw-field label {
  display: block;
  font-size: var(--bw-text-xs);
  font-weight: 600;
  color: var(--bw-text-muted);
  margin-bottom: var(--bw-space-1);
}

.bw-field input,
.bw-field select,
.bw-field textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border-radius: var(--bw-radius-sm);
  border: 1px solid var(--bw-border);
  background: var(--bw-bg-muted);
  color: var(--bw-text);
  font-family: var(--bw-font-sans);
  font-size: var(--bw-text-sm);
}

.bw-field input:focus,
.bw-field select:focus,
.bw-field textarea:focus {
  outline: none;
  border-color: var(--bw-primary);
  box-shadow: 0 0 0 3px var(--bw-primary-soft);
}

/* ─── Modal ─── */
.bw-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 20, 0.75);
  backdrop-filter: blur(4px);
  z-index: var(--bw-z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--bw-space-4);
}

.bw-modal-backdrop.is-open {
  display: flex;
}

.bw-modal {
  width: min(520px, 100%);
  background: var(--bw-bg-surface);
  border: 1px solid var(--bw-border);
  border-radius: var(--bw-radius-lg);
  padding: var(--bw-space-6);
  box-shadow: var(--bw-shadow);
}

.bw-modal h2 {
  font-size: var(--bw-text-xl);
  margin-bottom: var(--bw-space-2);
}

.bw-modal p {
  color: var(--bw-text-muted);
  font-size: var(--bw-text-sm);
  margin-bottom: var(--bw-space-4);
}

.bw-modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--bw-space-2);
  justify-content: flex-end;
}

/* ─── Mobile nav toggle ─── */
.bw-mobile-only {
  display: none;
}

@media (max-width: 900px) {
  .bw-mobile-only {
    display: inline-flex;
  }
  .bw-desktop-only {
    display: none !important;
  }
}