/* Digital Namecard Studio — customer intake (clean HTML form) */
:root {
  --accent: #c8102e;
  --text: #1a1a1a;
  --muted: #5c5c5c;
  --border: #ccc;
  --field-bg: #fff;
  --page-bg: #f5f5f5;
  --font: "IBM Plex Sans Thai", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--page-bg);
}

.page {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.25rem 1rem 4rem;
  background: #fff;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  min-height: 100dvh;
}

@media (min-width: 600px) {
  .page {
    margin: 1rem auto;
    min-height: auto;
    border: 1px solid var(--border);
    padding: 1.75rem 1.5rem 3rem;
  }
}

.hero {
  margin-bottom: 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--accent);
}

.hero h1 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
}

.hero .sub {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 0.75rem;
}

.hero .intro {
  margin: 0;
  font-size: 0.875rem;
}

.nav-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.65rem;
  margin-top: 1rem;
  font-size: 0.8rem;
}

.nav-jump a {
  color: #0b57d0;
  text-decoration: underline;
}

section {
  margin-bottom: 2rem;
  scroll-margin-top: 0.75rem;
}

section > header {
  margin-bottom: 0.75rem;
}

section h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.15rem;
}

section .sec-en {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
}

.field-grid {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 520px) {
  .field-grid.two {
    grid-template-columns: 1fr 1fr;
  }
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.875rem;
}

.label-main {
  font-weight: 500;
}

.label-sub {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 400;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="date"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font: inherit;
  color: var(--text);
  background: var(--field-bg);
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid #0b57d0;
  outline-offset: 0;
  border-color: #0b57d0;
}

textarea {
  min-height: 4.5rem;
  resize: vertical;
}

.req::after {
  content: " *";
  color: var(--accent);
}

.hint {
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0.25rem 0 0;
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 0.35rem;
}

.choice-row label.inline {
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
  font-weight: 400;
  cursor: pointer;
}

.matrix-wrap {
  overflow-x: auto;
}

.matrix {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.matrix th,
.matrix td {
  padding: 0.4rem 0.35rem;
  text-align: left;
  border: 1px solid var(--border);
  vertical-align: middle;
}

.matrix th {
  font-weight: 600;
  background: #f0f0f0;
  font-size: 0.75rem;
}

.matrix input[type="text"] {
  font-size: 0.82rem;
  padding: 0.35rem 0.45rem;
  border: 1px solid var(--border);
}

.matrix .cb {
  text-align: center;
}

.file-block {
  padding: 0.85rem;
  border: 1px solid var(--border);
  margin-bottom: 0.65rem;
  background: #fafafa;
}

.file-meta {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

.file-warn {
  color: var(--accent);
  font-size: 0.78rem;
  margin-top: 0.35rem;
  display: none;
}

.file-warn.visible {
  display: block;
}

.supply-table {
  width: 100%;
  font-size: 0.85rem;
  border-collapse: collapse;
}

.supply-table th,
.supply-table td {
  padding: 0.4rem 0.35rem;
  border: 1px solid var(--border);
}

.supply-table th {
  background: #f0f0f0;
  font-weight: 600;
}

.actions-bar {
  margin-top: 2rem;
  padding: 1rem 0 0;
  border-top: 2px solid var(--border);
}

.actions-bar .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.actions-bar .btn-row-main {
  margin-bottom: 0.35rem;
}

.btn-send {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 600;
}

.btn-send:disabled {
  opacity: 0.6;
  cursor: wait;
}

.submit-status {
  margin: 0 0 0.75rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  font-size: 0.85rem;
}

.submit-status[data-state="sending"] {
  background: #f0f0f0;
}

.submit-status[data-state="success"] {
  background: #e8f5e9;
  border-color: #81c784;
}

.submit-status[data-state="error"] {
  background: #ffebee;
  border-color: #e57373;
}

.submit-hint {
  font-size: 0.8rem;
}

button {
  font: inherit;
  cursor: pointer;
  border-radius: 4px;
  padding: 0.55rem 0.9rem;
  font-weight: 500;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  filter: brightness(0.92);
}

.btn-secondary {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: #f5f5f5;
}

.toast {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%) translateY(0.5rem);
  opacity: 0;
  pointer-events: none;
  background: var(--text);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-size: 0.85rem;
  z-index: 30;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.studio-note {
  font-size: 0.8rem;
  color: var(--muted);
  padding: 0.65rem;
  border: 1px solid var(--border);
  background: #fafafa;
  margin-top: 1.25rem;
}

footer.page-foot {
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 2rem;
}

footer.page-foot a {
  color: #0b57d0;
}