/* Base styles for applinks */

/* =========================================================
   ARTE Design Tokens — CSS Custom Properties
   Source: specs/003-arte-design-refresh/contracts/README.md
   ========================================================= */
:root {
  /* Colors */
  --color-bg-page:        #141414;
  --color-bg-card:        #333333;
  --color-text-primary:   #FFFFFF;
  --color-text-secondary: #858585;
  --color-brand:          #FA481D;
  --color-link:           #FFFFFF;
  --color-link-hover:     #A8A8A8;
  --color-error:          #FF0000;

  /* Typography */
  --font-family:          'Trebuchet MS', sans-serif;
  --font-size-base:       16px;
  --font-size-sm:         12px;
  --font-size-h1:         32px;
  --font-size-h2:         24px;
  --font-weight-regular:  400;
  --font-weight-medium:   500;
  --font-weight-bold:     700;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  margin: 0;
  padding: 0;
  background: var(--color-bg-page);
  color: var(--color-text-primary);
  min-height: 100dvh;
  display: flex;
  align-items: center;
}

#app-root, .no-js-message {
  max-width: 520px;
  margin: 2rem auto;
  padding: 2rem;
  background: var(--color-bg-card);
  border-radius: 24px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  text-align: center;
}

.no-js-message {
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

a {
  color: var(--color-link);
  text-decoration: underline;
}
a:hover {
  color: var(--color-link-hover);
}
a:focus {
  outline: 2px solid var(--color-text-primary);
  outline-offset: 2px;
}

@media (max-width: 600px) {
  #app-root, .no-js-message {
    padding: 1rem;
    margin: 1rem;
    font-size: 1rem;
    width: 100%;
  }
}

/* Logo */
.arte-logo {
  display: block;
  max-width: 160px;
  height: auto;
  margin: 1.5rem auto 3.5rem;
}
.tagline {
  margin: -1.75rem 0 1.5rem;
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}
/* Action Cards */
.action-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.action-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  border-radius: 12px;
  background: var(--color-bg-card);
  min-width: 160px;
  max-width: 200px;
  flex: 1 1 160px;
  margin: 10px 0px 10px 0px;
}

.action-card img {
  display: block;
  width: 160px;
  height: 160px;
  object-fit: contain;
  padding: 20px;
}

a.action-card {
  text-decoration: none;
  cursor: pointer;
  background: #FFFFFF;
  min-width: 220px;
  max-width: 220px;
  padding: 0.75rem 0.5rem;
}

div.action-card {
  flex: 0 0 100%;
  max-width: 360px;
  min-width: unset;
}

a.action-card:hover {
  filter: brightness(0.85);
}

a.action-card:focus-visible {
  outline: 3px solid var(--color-text-primary);
  outline-offset: 3px;
}

.store-badge {
  display: block;
  max-width: 180px;
  box-sizing: border-box;
}

a.action-card .store-badge {
  height: auto;
  width: 100%;
  margin: 0;
  padding: 4px 0.5rem 0.5rem;
}

.action-card .btn {
  display: block;
  width: 100%;
  padding: 0.65rem 0.75rem;
  min-height: 44px;
  background: var(--color-brand);
  color: var(--color-text-primary);
  border-radius: 8px;
  text-align: center;
  text-decoration: none;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  box-sizing: border-box;
}

.btn-chevron {
  font-style: normal;
  font-size: 1.5em;
  line-height: 0;
  vertical-align: -0.125em;
  margin-left: 0.25rem;
}

.action-card .btn:hover {
  filter: brightness(0.85);
}

.action-card .btn:focus-visible {
  outline: 3px solid var(--color-text-primary);
  outline-offset: 3px;
}

@media (max-width: 600px) {
  .action-cards {
    flex-direction: column;
    align-items: center;
  }

  .action-card {
    width: 100%;
    max-width: 320px;
  }
}

/* =========================================================
   Studio Page (feature 015) — applink & QR code builder
   ========================================================= */

body.studio-body {
  display: block;
  align-items: initial;
}

.studio-root {
  max-width: 960px;
  margin: 2rem auto;
  padding: 2rem;
  background: var(--color-bg-card);
  border-radius: 24px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  box-sizing: border-box;
}

.studio-header {
  text-align: center;
  margin-bottom: 2rem;
}

.studio-logo {
  margin: 0 auto 1rem;
  max-width: 120px;
}

.studio-title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  margin: 0 0 0.5rem;
  color: var(--color-text-primary);
}

.studio-subtitle {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

.studio-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.studio-form,
.studio-output {
  background: var(--color-bg-page);
  border-radius: 16px;
  padding: 1.5rem;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .studio-root {
    margin: 1rem;
    padding: 1.25rem;
  }
  .studio-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 400px) {
  .studio-root {
    margin: 0.5rem;
    padding: 1rem;
    border-radius: 16px;
  }
  .studio-form,
  .studio-output {
    padding: 1rem;
  }
}

/* Studio — form controls */

.studio-field {
  margin-bottom: 1.25rem;
}
.studio-field:last-child { margin-bottom: 0; }

.studio-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.studio-input,
.studio-url-output {
  width: 100%;
  box-sizing: border-box;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--color-text-secondary);
  border-radius: 8px;
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  min-height: 44px;
}
.studio-input:focus,
.studio-url-output:focus {
  outline: 2px solid var(--color-brand);
  outline-offset: 1px;
  border-color: var(--color-brand);
}
.studio-url-output {
  cursor: text;
  word-break: break-all;
  user-select: all;
  resize: vertical;
  min-height: 5.5rem;
  line-height: 1.4;
}

.studio-fieldset {
  border: 1px solid var(--color-text-secondary);
  border-radius: 8px;
  padding: 0.75rem 1rem 1rem;
  margin: 0 0 1.25rem;
}
.studio-legend {
  padding: 0 0.5rem;
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
}
.studio-radio {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.4rem 0;
  cursor: pointer;
  min-height: 32px;
}
.studio-radio input[type="radio"] {
  margin: 0;
  accent-color: var(--color-brand);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
/* Disabled fallback option (e.g. arte.tv when "Page" is selected): greyed out
   but still visible, so the constraint is discoverable. */
.studio-radio input[type="radio"]:disabled {
  cursor: not-allowed;
}
.studio-radio input[type="radio"]:disabled + span {
  opacity: 0.45;
  cursor: not-allowed;
}

.studio-validity {
  margin: 0.4rem 0 0;
  color: var(--color-error);
  font-size: var(--font-size-sm);
}

/* Persistent note under a closed-list field, telling the user the value must
   come from the list before they try to type one (FR-010a). Muted so it reads
   as guidance, unlike the red .studio-validity refusal that shares its slot. */
.studio-hint {
  margin: 0.4rem 0 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.studio-utm .studio-field:last-child {
  margin-bottom: 0;
}

/* Studio — suggestion combobox (UTM fields + Page id) */
.studio-suggest-wrap {
  position: relative;
}
.studio-suggest-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 20;
  margin: 0;
  padding: 0.25rem;
  list-style: none;
  background: var(--color-bg-card);
  border: 1px solid var(--color-brand);
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
  max-height: 12rem;
  overflow-y: auto;
}
.studio-suggest-list[hidden] {
  display: none;
}
.studio-suggest-option {
  display: flex;
  align-items: center;
  min-height: 32px;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  color: var(--color-text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  cursor: pointer;
}
.studio-suggest-option:hover,
.studio-suggest-option.is-active {
  background: var(--color-brand);
  color: #fff;
}

/* Studio — QR code + download */

.studio-qr-field {
  margin-top: 1.5rem;
}

.studio-qr-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem 1rem 1rem 1rem;
  background: #FFFFFF;
  border-radius: 12px;
}

.studio-qr {
  display: block;
  width: 240px;
  height: 240px;
  max-width: 100%;
}
.studio-qr canvas,
.studio-qr img {
  display: block;
  max-width: 100%;
  height: auto;
}

.studio-download {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 32px;
  padding: 0.5rem 0.85rem;
  background: var(--color-brand);
  color: var(--color-text-primary);
  text-decoration: none;
  border-radius: 8px;
  font-weight: var(--font-weight-medium);
  margin-top: 1rem;
}
.studio-download:hover,
.studio-download:focus-visible {
  color: var(--color-text-primary);
  filter: brightness(0.9);
}
.studio-download:focus-visible {
  outline: 2px solid var(--color-text-primary);
  outline-offset: 2px;
}

/* Studio — Debug section (collapsible) */

.studio-debug {
  grid-column: 1 / -1;
  background: var(--color-bg-page);
  border-radius: 16px;
  padding: 0.75rem 1.25rem;
  box-sizing: border-box;
  margin-top: 0.5rem;
}
.studio-debug[open] {
  padding: 1rem 1.25rem 1.25rem;
}

.studio-debug-summary {
  cursor: pointer;
  color: var(--color-text-primary);
  font-family: var(--font-family);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  padding: 0.4rem 0;
  min-height: 32px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  user-select: none;
  list-style: none;
}
.studio-debug-summary::-webkit-details-marker {
  display: none;
}
.studio-debug-summary::before {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 7px solid currentColor;
  transition: transform 120ms ease-in-out;
  flex-shrink: 0;
}
.studio-debug[open] > .studio-debug-summary::before {
  transform: rotate(90deg);
}
.studio-debug-summary:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
  border-radius: 4px;
}

.studio-debug-list {
  margin: 0.75rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(8rem, max-content) 1fr;
  column-gap: 1rem;
  row-gap: 0.5rem;
}
.studio-debug-list dt {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding-top: 0.15rem;
}
.studio-debug-list dd {
  margin: 0;
  min-width: 0;
}
.studio-debug-list code {
  display: block;
  color: var(--color-text-primary);
  background: var(--color-bg-card);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: var(--font-size-sm);
  line-height: 1.4;
  word-break: break-all;
  white-space: pre-wrap;
  user-select: all;
}

@media (max-width: 480px) {
  .studio-debug-list {
    grid-template-columns: 1fr;
    row-gap: 0.25rem;
  }
  .studio-debug-list dd {
    margin-bottom: 0.5rem;
  }
}