/* ==========================================================================
   PAGES/SUBMIT-TOOL.CSS — EDITORIAL SYSTEM
   Flat surfaces · hairline borders · sharp corners · no soft glows.
   The isometric technical grid + corner bracket on the dock are
   preserved as the signature editorial texture.
   ========================================================================== */

/* --------------------------------------------------------------------------
   01 — THE SUBMISSIONS DESK
   -------------------------------------------------------------------------- */
.submit-section {
  width: 100%;
  margin-top: -88px;
  padding-top: calc(var(--section-py) + 32px);
  padding-bottom: var(--section-py);
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg-subtle);
  border-bottom: var(--border-hairline) solid var(--color-border-subtle);
  box-sizing: border-box;
}

[data-theme="dark"] .submit-section {
  background-color: var(--color-bg-page);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.submit-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--section-px);
  display: flex;
  flex-direction: column;
  align-items: center;
  box-sizing: border-box;
}

/* --------------------------------------------------------------------------
   1.1 Centered Section Header
   -------------------------------------------------------------------------- */
.submit-header {
  max-width: 720px;
  margin: 0 auto clamp(36px, 4vw, 56px);
  text-align: center;
}

.submit-title {
  font-size: clamp(2.2rem, 1.4rem + 2.2vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-black);
  text-wrap: balance;
}

[data-theme="dark"] .submit-title {
  color: var(--color-white);
}

.submit-desc {
  max-width: 620px;
  margin: 14px auto 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--color-text-muted);
  text-wrap: pretty;
}

[data-theme="dark"] .submit-desc {
  color: rgba(255, 255, 255, 0.65);
}

/* --------------------------------------------------------------------------
   1.2 Master Card Shell — flat panel · hairline border · sharp corners
   -------------------------------------------------------------------------- */
.submit-master-card {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  background-color: var(--color-bg-page);
  border: var(--border-hairline) solid var(--color-border-divider);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
  gap: clamp(36px, 4.5vw, 64px);
  align-items: stretch;
}

[data-theme="dark"] .submit-master-card {
  background-color: var(--color-bg-alt);
  border-color: rgba(255, 255, 255, 0.1);
}

/* --------------------------------------------------------------------------
   1.3 Shared Card Header Typography
   -------------------------------------------------------------------------- */
.submit-dock-head,
.submit-form-head {
  display: flex;
  flex-direction: column;
}

.submit-card-kicker {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-purple-primary);
  line-height: 1.2;
}

.submit-form-head .submit-card-kicker {
  color: var(--color-purple-accent);
}

[data-theme="dark"] .submit-form-head .submit-card-kicker {
  color: var(--color-purple-primary);
}

.submit-card-title {
  margin: 10px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 1rem + 0.6vw, 1.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--color-white);
  text-wrap: balance;
}

.submit-form-head .submit-card-title {
  color: var(--color-black);
}

[data-theme="dark"] .submit-form-head .submit-card-title {
  color: var(--color-white);
}

.submit-card-desc {
  margin: 6px 0 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.6);
}

.submit-form-head .submit-card-desc {
  color: var(--color-text-muted);
}

[data-theme="dark"] .submit-form-head .submit-card-desc {
  color: rgba(255, 255, 255, 0.65);
}

/* --------------------------------------------------------------------------
   1.4 Left Inset Dock — Isometric technical grid (preserved signature)
   -------------------------------------------------------------------------- */
.submit-dock {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  padding: clamp(32px, 3.5vw, 42px) clamp(24px, 2.5vw, 32px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
  color: var(--color-white);
  background-color: var(--color-dock-bg);
  border: var(--border-hairline) solid rgba(var(--color-purple-primary-rgb), 0.2);
}

[data-theme="dark"] .submit-dock {
  border-color: rgba(var(--color-purple-primary-rgb), 0.22);
}

/* Isometric technical grid — signature texture, preserved */
.submit-dock::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 0;
  background-image:
    repeating-linear-gradient(60deg,
      transparent 0,
      transparent 26px,
      rgba(var(--color-purple-primary-rgb), 0.06) 26px,
      rgba(var(--color-purple-primary-rgb), 0.06) 27px),
    repeating-linear-gradient(-60deg,
      transparent 0,
      transparent 26px,
      rgba(var(--color-purple-primary-rgb), 0.06) 26px,
      rgba(var(--color-purple-primary-rgb), 0.06) 27px);
  mask-image: radial-gradient(ellipse 130% 130% at 100% 0%, black 10%, transparent 82%);
  -webkit-mask-image: radial-gradient(ellipse 130% 130% at 100% 0%, black 10%, transparent 82%);
}

/* Corner bracket — Swiss compass marker */
.submit-dock::after {
  content: "";
  position: absolute;
  top: 20px;
  right: 20px;
  width: 26px;
  height: 26px;
  pointer-events: none;
  z-index: 0;
  border-top: var(--border-thin) solid rgba(var(--color-purple-primary-rgb), 0.42);
  border-right: var(--border-thin) solid rgba(var(--color-purple-primary-rgb), 0.42);
  border-top-right-radius: 3px;
}

.submit-dock>* {
  position: relative;
  z-index: 1;
}

/* Numbered editorial entries */
.submit-dock-feed {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.submit-dock-entry {
  display: flex;
  flex-direction: column;
}

.submit-entry-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.submit-entry-num {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-purple-primary);
}

.submit-entry-line {
  flex: 1;
  height: var(--border-hairline);
  background-color: rgba(var(--color-purple-primary-rgb), 0.22);
}

.submit-entry-heading {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-white);
}

.submit-entry-body {
  margin: 8px 0 0;
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.62;
  color: rgba(255, 255, 255, 0.6);
  text-wrap: pretty;
}

/* --------------------------------------------------------------------------
   1.5 Note Card — dashed border, flat, no blur
   -------------------------------------------------------------------------- */
.submit-note-card {
  position: relative;
  padding: 18px 20px 16px;
  border-radius: var(--radius-xs);
  background-color: rgba(255, 255, 255, 0.04);
  border: var(--border-hairline) dashed rgba(var(--color-purple-primary-rgb), 0.28);
}

.submit-note-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  width: 30px;
  height: 2px;
  background-color: rgba(var(--color-purple-primary-rgb), 0.6);
  border-radius: 0 0 2px 2px;
}

.submit-note-kicker {
  display: block;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(var(--color-purple-primary-rgb), 0.85);
  margin-bottom: 10px;
}

.submit-note-body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.62;
  color: rgba(255, 255, 255, 0.6);
  text-wrap: pretty;
}

/* --------------------------------------------------------------------------
   1.6 Right Form Area
   -------------------------------------------------------------------------- */
.submit-form-area {
  padding: clamp(32px, 3.5vw, 42px) clamp(24px, 2.5vw, 36px) clamp(32px, 3.5vw, 42px) 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
}

.submit-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
}

/* --------------------------------------------------------------------------
   1.7 Fields — micro-caps labels with hairline rule
   -------------------------------------------------------------------------- */
.submit-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.submit-field-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.submit-field-label::after {
  content: "";
  flex: 1;
  height: var(--border-hairline);
  background-color: var(--color-border-subtle);
}

[data-theme="dark"] .submit-field-label {
  color: rgba(255, 255, 255, 0.55);
}

[data-theme="dark"] .submit-field-label::after {
  background-color: rgba(255, 255, 255, 0.08);
}

.submit-required {
  color: var(--color-purple-accent);
  font-weight: 700;
  margin-left: -6px;
}

[data-theme="dark"] .submit-required {
  color: var(--color-purple-primary);
}

.submit-optional {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text-subtle);
  text-transform: uppercase;
  margin-left: -6px;
}

.submit-field-hint {
  margin: -2px 0 0;
  font-family: var(--font-body);
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--color-text-subtle);
}

[data-theme="dark"] .submit-field-hint {
  color: rgba(255, 255, 255, 0.4);
}

/* Input + textarea — flat, hairline border, sharp corners */
.submit-input,
.submit-textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-xs);
  background-color: transparent;
  border: var(--border-hairline) solid var(--color-border-divider);
  font-family: var(--font-body);
  font-size: 13.5px;
  color: var(--color-text-main);
  line-height: 1.5;
  outline: none;
  transition:
    border-color var(--transition-fast),
    padding-left var(--transition-fast),
    box-shadow var(--transition-fast);
}

.submit-textarea {
  padding: 13px 14px;
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

[data-theme="dark"] .submit-input,
[data-theme="dark"] .submit-textarea {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.submit-input::placeholder,
.submit-textarea::placeholder {
  color: var(--color-text-subtle);
  font-weight: 400;
}

[data-theme="dark"] .submit-input::placeholder,
[data-theme="dark"] .submit-textarea::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.submit-input:hover,
.submit-textarea:hover {
  border-color: var(--color-purple-border);
}

/* Focus — solid hairline border + inset left rule (editorial signature) */
.submit-input:focus,
.submit-textarea:focus {
  border-color: var(--color-purple-accent);
  padding-left: 17px;
  box-shadow: inset 3px 0 0 var(--color-purple-accent);
}

[data-theme="dark"] .submit-input:focus,
[data-theme="dark"] .submit-textarea:focus {
  border-color: var(--color-purple-primary);
  box-shadow: inset 3px 0 0 var(--color-purple-primary);
}

/* --------------------------------------------------------------------------
   1.8 Form Footer
   -------------------------------------------------------------------------- */
.submit-form-footer {
  margin-top: 10px;
  padding-top: 20px;
  border-top: var(--border-hairline) solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

[data-theme="dark"] .submit-form-footer {
  border-top-color: rgba(255, 255, 255, 0.08);
}

/* Submit — flat, sharp, no shadow */
.submit-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 2px;
  background-color: var(--color-purple-accent);
  color: var(--color-white);
  border: var(--border-thin) solid var(--color-purple-accent);
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.submit-submit-btn svg {
  transition: transform var(--transition-fast);
}

.submit-submit-btn:hover {
  background-color: var(--color-purple-hover);
  border-color: var(--color-purple-hover);
}

.submit-submit-btn:hover svg {
  transform: translate(2px, -2px);
}

.submit-submit-btn:focus-visible {
  outline: var(--border-thick) solid var(--color-purple-accent);
  outline-offset: 3px;
}

.submit-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

[data-theme="dark"] .submit-submit-btn {
  background-color: var(--color-purple-primary);
  color: var(--color-black);
  border-color: var(--color-purple-primary);
}

[data-theme="dark"] .submit-submit-btn:hover {
  background-color: var(--color-purple-hover);
  border-color: var(--color-purple-hover);
  color: var(--color-white);
}

.submit-privacy-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 11.5px;
  color: var(--color-text-subtle);
  text-align: right;
  line-height: 1.4;
}

[data-theme="dark"] .submit-privacy-text {
  color: rgba(255, 255, 255, 0.45);
}

/* --------------------------------------------------------------------------
   1.9 Status Banner — flat, hairline border, smooth fade-in
   -------------------------------------------------------------------------- */
.submit-status-banner {
  max-width: var(--container-max);
  margin: 0 auto 20px;
  padding: 14px 20px;
  border-radius: var(--radius-xs);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  border: var(--border-hairline) solid transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  animation: bannerFadeIn 300ms cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

@keyframes bannerFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Button Loading State */
.submit-submit-btn[aria-busy="true"] {
  opacity: 0.75;
  cursor: wait;
}

.submit-submit-btn[aria-busy="true"] svg {
  display: none;
}

.submit-status-banner.is-success {
  background-color: var(--color-status-success-bg);
  border-color: var(--color-status-success-border);
  color: var(--color-status-success-text);
}

.submit-status-banner.is-error {
  background-color: var(--color-status-error-bg);
  border-color: var(--color-status-error-border);
  color: var(--color-status-error-text);
}

.submit-status-banner-close {
  flex-shrink: 0;
  background: transparent;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: inherit;
  opacity: 0.6;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  transition: opacity var(--transition-fast);
}

.submit-status-banner-close:hover {
  opacity: 1;
}

.submit-status-banner-close:focus-visible {
  outline: var(--border-thick) solid currentColor;
  outline-offset: 2px;
}


/* ==========================================================================
   RESPONSIVE LAYERS
   Breakpoints: Tablet → 1023px · Mobile → 599px · Small Mobile → 400px
   ========================================================================== */


/* --------------------------------------------------------------------------
   TABLET (max-width: 1023px)
   -------------------------------------------------------------------------- */
@media (max-width: 1023px) {

  .submit-section {
    margin-top: -78px;
    padding-top: calc(var(--section-py) + 24px);
    padding-bottom: calc(var(--section-py) - 10px);
  }

  .submit-master-card {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 14px;
    min-width: 0;
    max-width: 100%;
  }

  .submit-dock {
    padding: 30px 26px;
    gap: 26px;
    justify-content: flex-start;
    min-width: 0;
  }

  .submit-dock-feed {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
    min-width: 0;
  }

  .submit-dock-feed .submit-dock-entry:nth-child(3) {
    grid-column: 1 / -1;
  }

  .submit-form-area,
  .submit-form,
  .submit-field,
  .submit-dock-head,
  .submit-dock-entry,
  .submit-entry-meta,
  .submit-note-card {
    min-width: 0;
  }

  .submit-form-area {
    padding: 6px 20px 26px;
    gap: 26px;
  }

  .submit-status-banner {
    max-width: 100%;
    margin: 0 0 16px;
  }
}


/* --------------------------------------------------------------------------
   MOBILE (max-width: 599px)
   -------------------------------------------------------------------------- */
@media (max-width: 599px) {

  .submit-section {
    margin-top: -68px;
    padding-top: calc(var(--section-py) - 4px);
    padding-bottom: calc(var(--section-py) - 20px);
  }

  .submit-master-card {
    padding: 10px;
    gap: 12px;
    grid-template-columns: minmax(0, 1fr);
    min-width: 0;
    max-width: 100%;
  }

  .submit-dock {
    padding: 24px 20px;
    gap: 22px;
    min-width: 0;
  }

  /* Remove corner bracket — visual clutter at mobile width */
  .submit-dock::after {
    display: none;
  }

  .submit-dock-feed {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    min-width: 0;
  }

  .submit-dock-feed .submit-dock-entry:nth-child(3) {
    grid-column: auto;
  }

  .submit-note-card {
    padding: 16px 18px 14px;
  }

  .submit-note-card::before {
    left: 18px;
  }

  .submit-form-area {
    padding: 4px 14px 22px;
    gap: 22px;
    min-width: 0;
  }

  .submit-form-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }

  .submit-submit-btn {
    width: 100%;
    justify-content: center;
  }

  .submit-privacy-text {
    text-align: center;
    justify-content: center;
  }

  .submit-status-banner {
    padding: 12px 16px;
    font-size: 13px;
  }
}


/* --------------------------------------------------------------------------
   SMALL MOBILE (max-width: 400px)
   -------------------------------------------------------------------------- */
@media (max-width: 400px) {

  .submit-section {
    margin-top: -64px;
  }

  .submit-dock {
    padding: 22px 18px;
  }

  .submit-note-card {
    padding: 14px 16px 12px;
  }

  .submit-note-card::before {
    left: 16px;
  }

  .submit-form-area {
    padding: 4px 10px 18px;
  }

  .submit-submit-btn {
    padding: 12px 20px;
  }
}


/* --------------------------------------------------------------------------
   ACCESSIBILITY — Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {

  .submit-note-card,
  .submit-input,
  .submit-textarea,
  .submit-submit-btn,
  .submit-submit-btn svg,
  .submit-status-banner,
  .submit-status-banner-close {
    transition: none !important;
  }
}