/* Contact Form block – style.css (v3.3 - Advanced Colors) */

/* Wrapper */
.pf-contact-form {
  box-sizing: border-box;
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  padding: var(--pf-pad, 20px);
  --pf-row-gap: 10px;
  --pf-title-align: left;
  --pf-btn-jc: flex-start;
  --pf-btn-fs: inherit;
  --pf-btn-pad: .55rem .9rem;
  --pf-btn-color: #ffffff;
  --pf-btn-bg: #111827;
  --pf-btn-bw: 1px;
  --pf-btn-bc: #111827;
  --pf-btn-radius: 8px;
  --pf-btn-hover-bg: ;
  --pf-btn-hover-color: ;
}

.pf-contact-form__title {
  margin: 0 0 1rem 0;
  font-weight: 700;
  text-align: var(--pf-title-align, left);
  color: var(--pf-title-color, inherit); /* Mới */
}

/* Base form */
.pf-contact-form__inner.pf-form {
  box-sizing: border-box;
  width: 100%;
  display: grid;
  gap: var(--pf-row-gap, 10px);
}
.pf-form .pf-row {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.pf-form label {
  font-size: var(--pf-label-size, .95rem);
  font-weight: var(--pf-label-weight, 400);
  line-height: var(--pf-label-lh, normal);
  letter-spacing: var(--pf-label-ls, normal);
  text-transform: var(--pf-label-tt, none);
  color: var(--pf-label-color, #374151); /* Mới */
  text-align: left;
}

.pf-form input[type="text"],
.pf-form input[type="email"],
.pf-form input[type="tel"],
.pf-form input[type="number"],
.pf-form textarea,
.pf-form select {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  padding: .55rem .65rem;
  border: 1px solid var(--pf-input-border-color, #d1d5db); /* Mới */
  border-radius: 6px;
  background: var(--pf-input-bg, #fff); /* Mới */
  color: var(--pf-input-color, #111827); /* Mới */
  font-size: var(--pf-input-size, inherit);
  font-weight: var(--pf-input-weight, inherit);
  line-height: var(--pf-input-lh, normal);
  letter-spacing: var(--pf-input-ls, normal);
  text-transform: var(--pf-input-tt, none);
}
.pf-form textarea {
  min-height: 110px;
  resize: vertical;
}

/* Submit button */
.pf-form .pf-actions {
  display: flex;
  gap: .5rem;
  justify-content: var(--pf-btn-jc, flex-start);
  margin-top: 0.5rem;
}
.pf-form button[type="submit"] {
  box-sizing: border-box;
  font-size: var(--pf-btn-fs, inherit);
  padding: var(--pf-btn-pad, .55rem .9rem);
  color: var(--pf-btn-color, #fff);
  background: var(--pf-btn-bg, #111827);
  border: var(--pf-btn-bw, 1px) solid var(--pf-btn-bc, #111827);
  border-radius: var(--pf-btn-radius, 8px);
  cursor: pointer;
  transition: opacity .2s, background .2s, color .2s;
}
.pf-form button[type="submit"]:hover {
  opacity: .92;
  background: var(--pf-btn-hover-bg, var(--pf-btn-bg));
  color: var(--pf-btn-hover-color, var(--pf-btn-color));
}
/* Spinner cho nút bấm */
.pf-form button[type="submit"] .btn-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    vertical-align: text-bottom;
    border: .2em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border .75s linear infinite;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

/* Kiểu cho thông báo */
.pf-form-wrapper .pf-alert {
    padding: .8rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: .25rem;
}
.pf-form-wrapper .pf-alert--ok {
    color: #0f5132;
    background-color: #d1e7dd;
    border-color: #badbcc;
}
.pf-form-wrapper .pf-alert--err {
    color: #842029;
    background-color: #f8d7da;
    border-color: #f5c2c7;
}
/* --- RESPONSIVE LOGIC --- */

/* Tablet (≤1024px) */
@media (max-width: 1024px) {
  .pf-contact-form {
    max-width: var(--pf-width-md, initial) !important;
    padding: var(--pf-pad-md, var(--pf-pad));
    --pf-row-gap: var(--pf-row-gap-md, var(--pf-row-gap));
    text-align: var(--pf-align-h-md, initial);
    --pf-label-size: var(--pf-label-size-md, var(--pf-label-size, .95rem));
    --pf-input-size: var(--pf-input-size-md, var(--pf-input-size, inherit));
    --pf-btn-fs: var(--pf-btn-fs-md, var(--pf-btn-fs, inherit));
  }
  .pf-contact-form .pf-contact-form__title {
    font-size: var(--pf-title-size-md, initial) !important;
  }
}

/* Mobile (≤640px) */
@media (max-width: 640px) {
  .pf-contact-form {
    max-width: var(--pf-width-sm, initial) !important;
    padding: var(--pf-pad-sm, var(--pf-pad-md, var(--pf-pad)));
    --pf-row-gap: var(--pf-row-gap-sm, var(--pf-row-gap-md, var(--pf-row-gap)));
    text-align: var(--pf-align-h-sm, var(--pf-align-h-md, initial));
    --pf-label-size: var(--pf-label-size-sm, var(--pf-label-size-md, var(--pf-label-size, .95rem)));
    --pf-input-size: var(--pf-input-size-sm, var(--pf-input-size-md, var(--pf-input-size, inherit)));
    --pf-btn-fs: var(--pf-btn-fs-sm, var(--pf-btn-fs-md, var(--pf-btn-fs, inherit)));
  }
   .pf-contact-form .pf-contact-form__title {
    font-size: var(--pf-title-size-sm, var(--pf-title-size-md, initial)) !important;
  }
}

/* Alerts */
.pf-form .pf-alert { padding:.6rem .8rem; border-radius:8px; margin-bottom: 1rem; text-align: left; }
.pf-form .pf-alert--ok { background:#ecfdf5; border:1px solid #34d399; color:#065f46; }
.pf-form .pf-alert--err { background:#fef2f2; border:1px solid #f87171; color:#7f1d1d; }

/* Honeypot + label trống */
.pf-form .pf-robot { display:none !important; }
.pf-form input[name^="__hp_"] { position:absolute !important; left:-9999px !important; opacity:0 !important; height:0 !important; width:0 !important; pointer-events:none !important; }
.pf-form .pf-form__item > label:empty,
.pf-form .pf-row > label:empty { display:none !important; }

.pf-alert {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.pf-alert--ok {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #86efac;
}

.pf-alert--err {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}