/* ============================================================
   SUBMIT PAGE — STYLES
   Form section, file upload, form status, success state.
   ============================================================ */

/* ============================================================
   SUBMISSION BRIEFS
   Collapsible full briefs, rendered before the form.
   ============================================================ */

.briefs-wrap {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: var(--gap-xl) var(--gap-lg);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0 var(--gap-2xl);
  align-items: start;
  border-top: 1px solid var(--c-rule);
}

.briefs-wrap .prose-label {
  position: sticky;
  top: var(--gap-lg);
}

#briefs-container {
  display: flex;
  flex-direction: column;
}

.brief-item {
  border-top: 1px solid var(--c-rule);
}

.brief-item:last-child {
  border-bottom: 1px solid var(--c-rule);
}

.brief-summary {
  display: flex;
  align-items: baseline;
  gap: var(--gap-md);
  padding: var(--gap-md) 0;
  cursor: pointer;
  user-select: none;
  list-style: none;
}

.brief-summary::-webkit-details-marker {
  display: none;
}

.brief-summary::marker {
  display: none;
}

.brief-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-ink);
  transition: color 0.15s;
}

.brief-summary:hover .brief-name,
.brief-item[open] .brief-name {
  color: var(--c-pink);
}

.brief-type {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mid);
  flex: 1;
}

.brief-toggle {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mid);
  flex-shrink: 0;
  transition: color 0.15s;
}

.brief-toggle::before {
  content: "Read brief";
}

.brief-item[open] .brief-toggle::before {
  content: "Close";
}

.brief-summary:hover .brief-toggle {
  color: var(--c-ink);
}

.brief-body {
  padding-bottom: var(--gap-xl);
  display: flex;
  flex-direction: column;
  gap: var(--gap-md);
}

.brief-meta {
  padding-bottom: var(--gap-md);
  border-bottom: 1px solid var(--c-rule);
}

.brief-body p {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.8;
  color: var(--c-ink);
}

.brief-body h3 {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-pink);
  margin-top: var(--gap-sm);
  margin-bottom: calc(-1 * var(--gap-sm));
}

.brief-body li {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.7;
  color: var(--c-ink);
}

/* ============================================================
   FORM SECTION
   ============================================================ */

.form-wrap {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: var(--gap-xl) var(--gap-lg) var(--gap-2xl);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0 var(--gap-2xl);
  align-items: start;
  border-top: 1px solid var(--c-rule);
  opacity: 0;
  animation: rise 0.7s 0.35s ease forwards;
}

.form-wrap .prose-label {
  position: sticky;
  top: var(--gap-lg);
  animation-delay: 0.4s;
}

form {
  display: flex;
  flex-direction: column;
  gap: var(--gap-lg);
}

.field-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field-row label:not(.checkbox-label) {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-mid);
  display: flex;
  align-items: baseline;
  gap: 0.5em;
}

.required-mark {
  color: var(--c-pink);
  font-size: 0.85em;
}

.optional-mark {
  font-family: var(--font-body);
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.8rem;
  color: var(--c-mid);
}

input[type="text"],
input[type="email"],
textarea,
select {
  width: 100%;
  background: transparent;
  border: 1px solid var(--c-rule);
  padding: 0.75rem var(--gap-md);
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  color: var(--c-ink);
  transition: border-color 0.15s;
  outline: none;
  border-radius: 0;
  appearance: none;
  -webkit-appearance: none;
}

select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23675f57' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

select option[value=""] {
  color: var(--c-mid);
  font-style: italic;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus,
select:focus {
  border-color: var(--c-ink);
}

input[type="text"].invalid,
input[type="email"].invalid,
textarea.invalid,
select.invalid,
.file-upload.invalid .file-label {
  border-color: var(--c-pink);
}

/* ============================================================
   SUBMISSION INFO PANEL
   Shown after a submission stream is selected.
   ============================================================ */

.submission-info {
  border-left: 3px solid var(--c-pink);
  padding-left: var(--gap-md);
  display: flex;
  flex-direction: column;
  gap: var(--gap-md);
}

.submission-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-sm) var(--gap-lg);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.meta-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mid);
}

.meta-value {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.4vw, 1rem);
  line-height: 1.6;
  color: var(--c-ink);
}

.submission-guidelines {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.8;
  color: var(--c-mid);
  font-style: italic;
}

/* ============================================================
   FORM BODY
   The writer fields, revealed after a submission is selected.
   ============================================================ */

#form-body {
  display: flex;
  flex-direction: column;
  gap: var(--gap-lg);
  padding-top: var(--gap-lg);
  border-top: 1px solid var(--c-rule);
}

#form-body[hidden] {
  display: none;
}

.submission-info[hidden] {
  display: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--c-mid);
  font-style: italic;
}

textarea {
  min-height: 12rem;
  resize: vertical;
  line-height: 1.75;
}

/* ============================================================
   FILE UPLOAD
   ============================================================ */

.file-upload {
  position: relative;
}

.file-upload input[type="file"] {
  position: absolute;
  opacity: 0;
  width: 0.1px;
  height: 0.1px;
  overflow: hidden;
}

.file-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--c-rule);
  padding: 0.75rem var(--gap-md);
  cursor: pointer;
  gap: var(--gap-md);
  transition: border-color 0.15s;
}

.file-label:hover {
  border-color: var(--c-ink);
}

.file-upload input[type="file"]:focus + .file-label {
  border-color: var(--c-ink);
}

.file-name {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  color: var(--c-mid);
  font-style: italic;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-name.has-file {
  color: var(--c-ink);
  font-style: normal;
}

.file-browse {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-ink);
  border-bottom: 2px solid var(--c-ink);
  padding-bottom: 1px;
  white-space: nowrap;
  flex-shrink: 0;
  transition:
    color 0.15s,
    border-color 0.15s;
}

.file-label:hover .file-browse {
  color: var(--c-pink);
  border-color: var(--c-pink);
}

.field-hint {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mid);
  margin-top: 0.25rem;
}

/* ============================================================
   DECLARATIONS (checkboxes)
   ============================================================ */

.field-row--checkboxes {
  gap: var(--gap-md);
  padding-top: var(--gap-md);
  border-top: 1px solid var(--c-rule);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.4vw, 1rem);
  line-height: 1.6;
  color: var(--c-ink);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 1.1rem;
  height: 1.1rem;
  min-width: 1.1rem;
  margin-top: 0.25em;
  border: 1px solid var(--c-rule);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  position: relative;
}

.checkbox-label input[type="checkbox"]:checked {
  background: var(--c-ink);
  border-color: var(--c-ink);
}

.checkbox-label input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 10'%3E%3Cpath d='M1 5l3.5 3.5L11 1' stroke='%23f5f0ea' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 0.7rem no-repeat;
}

.checkbox-label input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--c-ink);
  outline-offset: 2px;
}

.checkbox-label.invalid input[type="checkbox"] {
  border-color: var(--c-pink);
}

.checkbox-label a {
  color: var(--c-pink);
  text-decoration: underline;
  transition: color 0.15s;
}

.checkbox-label a:hover {
  color: var(--c-pink-dark);
}

.checkbox-label a:focus-visible {
  outline: 2px solid var(--c-pink);
  outline-offset: 2px;
  border-radius: 1px;
}

/* ============================================================
   FORM ACTIONS & STATUS
   ============================================================ */

.form-actions {
  display: flex;
  align-items: center;
  gap: var(--gap-lg);
  flex-wrap: wrap;
  padding-top: var(--gap-md);
  border-top: 1px solid var(--c-rule);
}

.form-status {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mid);
}

.form-status.error {
  color: var(--c-pink);
}

/* ============================================================
   SUCCESS STATE
   ============================================================ */

.success-view {
  display: none;
  border-top: 3px solid var(--c-pink);
  padding-top: var(--gap-lg);
}

.success-view p.lede {
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  line-height: 1.6;
  font-style: italic;
  color: var(--c-ink);
  margin-bottom: var(--gap-md);
}

.success-view p {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.8;
  color: var(--c-mid);
}

/* ============================================================
   INLINE LINK
   Subtle underlined link that inherits surrounding text colour.
   ============================================================ */

.link-subtle {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--c-rule);
  transition: border-color 0.15s;
}

.link-subtle:hover {
  border-color: var(--c-ink);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .briefs-wrap {
    grid-template-columns: 1fr;
    gap: var(--gap-md);
    padding-left: var(--gap-md);
    padding-right: var(--gap-md);
  }

  .briefs-wrap .prose-label {
    position: static;
  }

  .form-wrap {
    grid-template-columns: 1fr;
    gap: var(--gap-md);
    padding-left: var(--gap-md);
    padding-right: var(--gap-md);
  }

  .form-wrap .prose-label {
    position: static;
  }
}