:root {
  --submit-bg: linear-gradient(180deg, #f5f8ff 0%, #e6edf8 100%);
  --submit-panel: rgba(255, 255, 255, 0.92);
  --submit-panel-border: #a4b8d7;
  --submit-text: #152b4f;
  --submit-muted: #3f5f8f;
  --submit-shadow: 0 20px 50px rgba(18, 45, 91, 0.14);
  --submit-accent: #183963;
  --submit-accent-text: #ffffff;
  --submit-danger: #9f1d1d;
  --submit-success: #136a35;
}

:root[data-theme="dark"] {
  --submit-bg: linear-gradient(180deg, #061221 0%, #0c1d33 100%);
  --submit-panel: rgba(10, 27, 49, 0.92);
  --submit-panel-border: #2f517b;
  --submit-text: #eef5ff;
  --submit-muted: #b6cae7;
  --submit-shadow: 0 24px 56px rgba(0, 0, 0, 0.38);
  --submit-accent: #244d80;
  --submit-accent-text: #eef5ff;
  --submit-danger: #ffb4b4;
  --submit-success: #9be6b8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background: var(--submit-bg);
  color: var(--submit-text);
}

button,
input,
select,
textarea {
  font: inherit;
}

.submit-page {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.submit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.submit-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.submit-nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--submit-panel-border);
  background: var(--submit-panel);
  color: var(--submit-text);
  text-decoration: none;
  font-weight: 700;
  box-shadow: var(--submit-shadow);
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.submit-nav-link:hover,
.submit-nav-link:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 40px rgba(18, 45, 91, 0.2);
  border-color: var(--submit-accent);
  outline: none;
}

.submit-hero,
.submit-panel {
  background: var(--submit-panel);
  border: 1px solid var(--submit-panel-border);
  box-shadow: var(--submit-shadow);
}

.submit-hero {
  padding: 28px;
  margin-bottom: 22px;
}

.submit-hero h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1;
}

.submit-hero p,
.panel-heading-row p {
  margin: 0;
  color: var(--submit-muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.submit-form {
  display: grid;
  gap: 18px;
}

.submit-panel {
  padding: 22px;
}

.submit-panel h2 {
  margin: 0 0 14px;
  font-size: 1.45rem;
  line-height: 1.1;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field,
.check-field {
  display: grid;
  gap: 7px;
  margin-bottom: 16px;
}

.field span,
.check-field span {
  font-weight: 700;
}

.field .required-mark {
  color: #d00000;
  font-weight: 900;
}

:root[data-theme="dark"] .field .required-mark {
  color: #ff7070;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--submit-panel-border);
  background: #ffffff;
  color: #111827;
  padding: 10px 12px;
}

.field textarea {
  resize: vertical;
  min-height: 104px;
}

.panel-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}

.quiet-btn,
.submit-secondary-btn,
.submit-primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 1px solid var(--submit-panel-border);
  cursor: pointer;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.16s ease, box-shadow 0.16s ease, filter 0.16s ease;
}

.quiet-btn,
.submit-secondary-btn {
  background: var(--submit-panel);
  color: var(--submit-text);
  padding: 0 14px;
}

.submit-primary-btn {
  min-width: 170px;
  background: var(--submit-accent);
  border-color: var(--submit-accent);
  color: var(--submit-accent-text);
  padding: 0 18px;
}

.quiet-btn:hover,
.quiet-btn:focus-visible,
.submit-secondary-btn:hover,
.submit-secondary-btn:focus-visible,
.submit-primary-btn:hover,
.submit-primary-btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(18, 45, 91, 0.22);
  filter: brightness(1.05);
  outline: none;
}

.submit-primary-btn[disabled] {
  opacity: 0.62;
  cursor: wait;
}

.drop-zone {
  display: grid;
  place-items: center;
  gap: 8px;
  min-height: 170px;
  border: 2px dashed var(--submit-panel-border);
  background: rgba(255, 255, 255, 0.46);
  color: var(--submit-text);
  text-align: center;
  padding: 24px;
  cursor: pointer;
  transition: border-color 0.16s ease, background-color 0.16s ease;
}

.drop-zone strong {
  font-size: 1.2rem;
}

.drop-zone span {
  color: var(--submit-muted);
}

.drop-zone.is-dragging,
.drop-zone:focus-visible {
  border-color: var(--submit-accent);
  background: rgba(255, 255, 255, 0.72);
  outline: none;
}

.file-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.file-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
  color: var(--submit-muted);
  font-weight: 700;
}

.file-list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.file-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--submit-panel-border);
  background: rgba(255, 255, 255, 0.48);
  padding: 9px 10px;
}

.file-name {
  overflow-wrap: anywhere;
}

.file-size {
  color: var(--submit-muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.file-remove {
  border: 0;
  background: transparent;
  color: var(--submit-danger);
  cursor: pointer;
  font-weight: 900;
  padding: 4px 8px;
}

.check-field {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
}

.check-field input {
  margin-top: 3px;
}

.submit-confirm {
  display: grid;
  gap: 14px;
}

.turnstile-field {
  min-height: 65px;
}

.submission-status {
  min-height: 22px;
  margin: 0;
  color: var(--submit-muted);
  line-height: 1.45;
}

.submission-status.is-error {
  color: var(--submit-danger);
}

.submission-status.is-success {
  color: var(--submit-success);
  font-weight: 700;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 700px) {
  .submit-page {
    width: min(100% - 18px, 980px);
    padding-top: 16px;
    padding-bottom: 42px;
  }

  .submit-header,
  .panel-heading-row {
    flex-direction: column;
    align-items: stretch;
  }

  .submit-nav,
  .file-actions {
    justify-content: center;
  }

  .submit-hero,
  .submit-panel {
    padding: 22px 18px;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .file-list li {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .file-size {
    grid-column: 1 / -1;
  }
}