/* ==========================================================================
   Components: buttons, cards, tags, forms, accordion, table, modal, toast
   ========================================================================== */

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.btn--primary:hover { color: #fff; box-shadow: 0 14px 30px rgba(24, 119, 242, .36); }

.btn--secondary {
  background: #fff;
  color: var(--color-primary-ink);
  border: 1px solid var(--color-border-strong);
}
.btn--secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn--ghost {
  padding-inline: 0;
  color: var(--color-primary);
}
.btn--ghost:hover { color: var(--color-primary-dark); transform: none; }
.btn--ghost .btn__arrow { transition: transform var(--dur-fast) var(--ease-out); }
.btn--ghost:hover .btn__arrow { transform: translateX(4px); }

.btn--light {
  background: #fff;
  color: var(--color-ink);
}
.btn--light:hover { color: var(--color-ink); }

.btn--outline-light {
  border: 1px solid rgba(255, 255, 255, .4);
  color: #fff;
}
.btn--outline-light:hover { color: #fff; border-color: #fff; background: rgba(255, 255, 255, .08); }

.btn--block { width: 100%; }
.btn--sm { padding: 9px 16px; font-size: var(--fs-sm); }
.btn--lg { padding: 16px 32px; font-size: 17px; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  align-items: center;
}
.btn-row--center { justify-content: center; }

/* ---------- Tags ---------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  color: var(--color-text-sub);
  font-size: var(--fs-xs);
  font-weight: 500;
  line-height: 1.6;
}
.tag--brand { background: var(--color-primary-light); border-color: transparent; color: var(--color-primary-ink); }
.tag--success { background: var(--color-success-soft); border-color: transparent; color: #087443; }
.tag--warning { background: var(--color-warning-soft); border-color: transparent; color: #B54708; }
.tag--purple { background: var(--color-accent-purple-soft); border-color: transparent; color: #5B3FDB; }

/* ---------- Cards ---------- */

.card {
  padding: var(--sp-8);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.card--hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--sp-4);
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.card__icon svg { width: 24px; height: 24px; }

.card__title {
  margin-bottom: var(--sp-2);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
}
.card__text { color: var(--color-text-sub); font-size: var(--fs-sm); line-height: 1.75; }

.stat-card {
  padding: var(--sp-6);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.stat-card__label {
  color: var(--color-text-sub);
  font-size: var(--fs-xs);
  margin-bottom: var(--sp-2);
}
.stat-card__value {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.stat-card__delta { margin-top: 6px; font-size: var(--fs-xs); font-weight: 600; }

/* ---------- Check list ---------- */

.check-list { display: grid; gap: var(--sp-3); }
.check-list li {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
  font-size: 15px;
  color: var(--color-text);
}
.check-list__mark {
  flex: none;
  width: 20px; height: 20px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--color-success-soft);
  color: var(--color-success);
  display: grid;
  place-items: center;
}
.check-list__mark svg { width: 12px; height: 12px; }
.check-list--cross .check-list__mark { background: var(--color-danger-soft); color: var(--color-danger); }

/* ---------- Forms ---------- */

.field { display: block; margin-bottom: var(--sp-4); }
.field__label {
  display: block;
  margin-bottom: 6px;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-ink);
}
.field__req { color: var(--color-danger); margin-left: 2px; }
.field__control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 15px;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.field__control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(24, 119, 242, .16);
}
textarea.field__control { min-height: 108px; resize: vertical; }
.field__control.is-invalid { border-color: var(--color-danger); }
.field__error {
  display: none;
  margin-top: 6px;
  color: var(--color-danger);
  font-size: var(--fs-xs);
}
.field__error.is-shown { display: block; }

.field-check {
  display: flex;
  gap: var(--sp-2);
  align-items: flex-start;
  font-size: var(--fs-sm);
  color: var(--color-text-sub);
  line-height: 1.6;
}
.field-check input { margin-top: 3px; flex: none; }

.form-note { margin-top: var(--sp-4); font-size: var(--fs-xs); color: var(--color-text-mute); }

/* ---------- Accordion ---------- */

.accordion { display: grid; gap: var(--sp-3); }
.accordion__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
}
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: 18px var(--sp-6);
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  background: none;
}
.accordion__trigger:hover { background: var(--color-bg-soft); }
.accordion__icon {
  flex: none;
  width: 22px; height: 22px;
  position: relative;
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 12px; height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform var(--dur-mid) var(--ease-out);
}
.accordion__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { transform: translate(-50%, -50%) rotate(0deg); }

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-mid) var(--ease-out);
}
.accordion__panel.is-open { grid-template-rows: 1fr; }
.accordion__panel > div { overflow: hidden; }
.accordion__body {
  padding: 0 var(--sp-6) 20px;
  color: var(--color-text-sub);
  font-size: 15px;
  line-height: 1.8;
}
.accordion__body p + p { margin-top: var(--sp-3); }

/* ---------- Table ---------- */

.table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 520px; }
.table th, .table td {
  padding: 14px var(--sp-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.table thead th {
  background: var(--color-bg-soft);
  color: var(--color-ink);
  font-weight: 600;
  font-size: var(--fs-sm);
  white-space: nowrap;
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--color-bg-soft); }
.table td p { font-size: var(--fs-sm); color: var(--color-text-sub); }

/* ---------- Modal ---------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--gutter);
}
.modal.is-open { display: flex; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(10, 37, 64, .6); }
.modal__dialog {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 640px;
  max-height: 86vh;
  overflow-y: auto;
  padding: var(--sp-8);
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.modal__close {
  position: absolute;
  top: 16px; right: 16px;
  width: 36px; height: 36px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--color-text-sub);
  background: var(--color-bg-soft);
}
.modal__close:hover { background: var(--color-border); }
.modal__title { margin-bottom: var(--sp-4); font-size: 22px; }
.modal__section { margin-top: var(--sp-6); }
.modal__section h4 { margin-bottom: var(--sp-2); font-size: 15px; }

@media (max-width: 767px) {
  .modal__dialog { padding: var(--sp-6); }
}

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  z-index: 200;
  transform: translate(-50%, 20px);
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: #fff;
  font-size: 15px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-mid) var(--ease-out), transform var(--dur-mid) var(--ease-out);
}
.toast.is-shown { opacity: 1; transform: translate(-50%, 0); }
.toast--success { background: #087443; }
.toast--error { background: var(--color-danger); }

/* ---------- Breadcrumb ---------- */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  font-size: var(--fs-xs);
  color: var(--color-text-mute);
  margin-bottom: var(--sp-4);
}
.breadcrumb a { color: var(--color-text-sub); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb__sep { color: var(--color-border-strong); }