/* components.css — Các UI block dùng lại nhiều nơi: button, chip, badge, card, form, icon */

/* ===== Button ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.95rem 1.6rem;
  border-radius: var(--radius-pill);
  font-weight: var(--weight-semibold);
  font-size: var(--text-base);
  line-height: 1;
  white-space: nowrap;
  border: 1px solid transparent;
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.btn--primary {
  background: linear-gradient(180deg, var(--color-gold-400), var(--color-gold-500));
  color: var(--color-navy-900);
  box-shadow: var(--shadow-gold);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(245, 180, 0, 0.4);
  color: var(--color-navy-900);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-on-dark);
  border-color: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  color: var(--color-text-on-dark);
  border-color: rgba(255, 255, 255, 0.32);
}

.btn--ghost {
  background: transparent;
  color: var(--color-navy-700);
  border-color: var(--color-border);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: var(--color-surface);
  color: var(--color-navy-900);
  border-color: var(--color-navy-700);
}

.btn--lg {
  padding: 1.1rem 2rem;
  font-size: var(--text-lg);
}

.btn--sm {
  padding: 0.6rem 1.1rem;
  font-size: var(--text-sm);
}

.btn__arrow {
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:hover .btn__arrow,
.btn:focus-visible .btn__arrow {
  transform: translateX(4px);
}

/* ===== Chip (service tag) ===== */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.55rem 1rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-on-dark);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(6px);
}

.chip--light {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

/* ===== Badge (trust badge với icon) ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.85rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: var(--weight-medium);
  color: var(--color-text-on-dark);
  white-space: nowrap;
}

.badge svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-gold-400);
}

/* ===== Stat (số liệu) ===== */
.stat {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-4) var(--space-3);
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(245, 180, 0, 0.08), transparent 60%),
    rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  min-width: 0;
  overflow: hidden;
  transition:
    transform var(--duration-normal) var(--ease-out-expo),
    border-color var(--duration-normal) var(--ease-out-expo),
    background-color var(--duration-normal) var(--ease-out-expo);
}

.stat::before {
  content: "";
  position: absolute;
  inset: auto 25% 0 25%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-gold-400),
    transparent
  );
  opacity: 0.55;
  transition: opacity var(--duration-normal) var(--ease-out-expo);
}

.stat:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 180, 0, 0.4);
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(245, 180, 0, 0.14), transparent 60%),
    rgba(255, 255, 255, 0.07);
}

.stat:hover::before {
  opacity: 1;
}

.stat__num {
  display: block;
  font-size: clamp(2.25rem, 1.6rem + 1.8vw, 3.25rem);
  font-weight: var(--weight-bold);
  color: var(--color-gold-400);
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: var(--tracking-tight);
  text-shadow: 0 8px 20px rgba(245, 180, 0, 0.18);
}

.stat__label {
  display: block;
  font-size: clamp(0.875rem, 0.82rem + 0.25vw, 1rem);
  color: var(--color-text-on-dark);
  font-weight: var(--weight-medium);
  line-height: 1.4;
  max-width: 24ch;
  margin-inline: auto;
  text-wrap: balance;
}

/* ===== Card (service / process / generic) ===== */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition:
    transform var(--duration-normal) var(--ease-out-expo),
    box-shadow var(--duration-normal) var(--ease-out-expo),
    border-color var(--duration-normal) var(--ease-out-expo);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-navy-500);
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    rgba(10, 31, 68, 0.95),
    rgba(21, 49, 95, 0.95)
  );
  color: var(--color-gold-400);
  margin-bottom: var(--space-4);
}

.card__icon svg {
  width: 26px;
  height: 26px;
}

.card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
  color: var(--color-navy-900);
}

.card__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.card__bullets {
  margin-top: auto;
  display: grid;
  gap: var(--space-2);
}

.card__bullets li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.card__bullets li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold-500);
  margin-top: 0.55rem;
  flex-shrink: 0;
}

/* ===== Form ===== */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
}

.field__label .required {
  color: var(--color-danger);
  margin-left: 2px;
}

.field__input,
.field__select,
.field__textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: var(--text-base);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition:
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

.field__textarea {
  min-height: 120px;
  resize: vertical;
  font-family: inherit;
}

.field__select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%231a2238'><path d='M5.5 7.5L10 12l4.5-4.5z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  background-size: 18px;
  padding-right: 2.4rem;
}

.field__input:focus,
.field__select:focus,
.field__textarea:focus {
  outline: none;
  border-color: var(--color-navy-700);
  box-shadow: 0 0 0 4px rgba(21, 49, 95, 0.12);
}

.field__error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  min-height: 1rem;
}

.field--invalid .field__input,
.field--invalid .field__select,
.field--invalid .field__textarea {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 4px rgba(214, 69, 69, 0.1);
}

/* ===== Avatar frame ===== */
.avatar-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-bg);
  box-shadow: var(--shadow-lg);
  isolation: isolate;
}

.avatar-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
  display: block;
}

/* ===== Icon helpers ===== */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: middle;
  fill: currentColor;
}

.icon-lg {
  width: 1.5em;
  height: 1.5em;
}