/* ============================================================
   DTF UPLOAD TOOL — Complete Styling
   ============================================================ */

/* ── Hero Section ──────────────────────────────────────────── */

.dtf-hero--upload {
  padding-top: 64px;
  min-height: 60dvh;
  display: flex;
  align-items: center;
  background: var(--bg-paper);
  border-bottom: 1px solid var(--rule);
}

.dtf-hero__inner {
  max-width: 960px;
  margin-inline: auto;
  padding: var(--s16) var(--s8);
  display: flex;
  flex-direction: column;
  gap: var(--s4);
}

.dtf-eyebrow {
  font-size: var(--t-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--schie);
  margin: 0;
}

.dtf-hero__title {
  font-family: var(--font-head);
  font-size: var(--t-2xl);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ink);
  max-width: 20ch;
  margin: 0;
}

.dtf-hero__lead {
  font-size: var(--t-md);
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 48ch;
  margin: 0;
}

.dtf-upload-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s4) var(--s6);
  margin-top: var(--s4);
}

.dtf-upload-meta-item {
  font-size: var(--t-sm);
  color: var(--ink-2);
}

.dtf-upload-meta-item strong {
  color: var(--ink);
  font-weight: 600;
}

@media (max-width: 640px) {
  .dtf-hero__inner { padding: var(--s12) var(--s6); }
  .dtf-hero__title { font-size: var(--t-xl); max-width: none; }
  .dtf-hero__lead { font-size: var(--t-base); }
}

/* ── Main Tool Container ───────────────────────────────────── */

.dtf-upload-section {
  max-width: 1400px;
  margin-inline: auto;
  padding: var(--s16) var(--s8);
  background: var(--bg);
}

.dtf-upload-container {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--s8);
  align-items: start;
}

@media (max-width: 768px) {
  .dtf-upload-section { padding: var(--s12) var(--s6); }
  .dtf-upload-container {
    grid-template-columns: 1fr;
    gap: var(--s6);
  }
}

/* ── Error Banner ──────────────────────────────────────────── */

.dtf-error-banner {
  max-width: 1400px;
  margin-inline: auto;
  padding: 0 var(--s8);
  margin-bottom: var(--s6);
}

.dtf-error-banner__inner {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  border-left: 3px solid #dc2626;
  border-radius: var(--r-md);
  padding: var(--s4) var(--s5);
  display: flex;
  align-items: flex-start;
  gap: var(--s3);
}

.dtf-error-banner__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: #dc2626;
}

.dtf-error-banner__text {
  font-size: var(--t-sm);
  color: #991b1b;
  line-height: 1.5;
  margin: 0;
  flex: 1;
}

[data-theme="dark"] .dtf-error-banner__inner {
  background: rgba(220, 38, 38, 0.1);
  border-color: rgba(252, 165, 165, 0.3);
  border-left-color: #dc2626;
}

[data-theme="dark"] .dtf-error-banner__text {
  color: #fca5a5;
}

@media (max-width: 768px) {
  .dtf-error-banner {
    padding: 0 var(--s6);
  }
}

/* ── Info Banner Variant ───────────────────────────────────── */

.dtf-error-banner--info .dtf-error-banner__inner {
  background: #eff6ff;
  border: 1px solid #93c5fd;
  border-left: 3px solid #3b82f6;
}

.dtf-error-banner--info .dtf-error-banner__icon {
  color: #3b82f6;
}

.dtf-error-banner--info .dtf-error-banner__text {
  color: #1e40af;
}

[data-theme="dark"] .dtf-error-banner--info .dtf-error-banner__inner {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(147, 197, 253, 0.3);
  border-left-color: #3b82f6;
}

[data-theme="dark"] .dtf-error-banner--info .dtf-error-banner__text {
  color: #93c5fd;
}

/* ── Canvas Container & Upload Trigger Area ────────────────── */

.dtf-upload-trigger {
  grid-column: 1 / -1; /* Span both columns when visible */
  background: var(--surface);
  border: 2px dashed var(--rule-strong);
  border-radius: var(--r-lg);
  padding: var(--s16);
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  transition: all var(--ease);
}

.dtf-canvas-container {
  background: #e8e4dd; /* Warm light beige - huisstijl */
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  padding: var(--s16);
  min-height: 700px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s4);
  position: relative;
  /* Subtle paper texture via CSS gradient */
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 19px, rgba(0,0,0,0.02) 19px, rgba(0,0,0,0.02) 20px),
    repeating-linear-gradient(90deg, transparent, transparent 19px, rgba(0,0,0,0.02) 19px, rgba(0,0,0,0.02) 20px);
  background-size: 20px 20px;
  background-position: center;
  overflow: hidden;
}

.dtf-new-upload-btn {
  padding: var(--s3) var(--s5);
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid var(--schie);
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--schie);
  cursor: pointer;
  transition: all var(--ease);
  display: flex;
  align-items: center;
  gap: var(--s2);
  box-shadow: var(--sh-sm);
}

.dtf-new-upload-btn:hover {
  background: var(--schie);
  color: #fff;
  box-shadow: var(--sh-md);
  transform: translateY(-2px);
}

.dtf-new-upload-btn svg {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .dtf-upload-trigger {
    min-height: 400px;
    padding: var(--s12);
  }

  .dtf-canvas-container {
    min-height: 400px;
    padding: var(--s8);
  }
}

[data-theme="dark"] .dtf-canvas-container {
  background: #2a2622; /* Donkere variant voor dark mode */
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 19px, rgba(255,255,255,0.03) 19px, rgba(255,255,255,0.03) 20px),
    repeating-linear-gradient(90deg, transparent, transparent 19px, rgba(255,255,255,0.03) 19px, rgba(255,255,255,0.03) 20px);
}

/* ── Upload Trigger Inner Content ────────────────────────── */

.dtf-upload-trigger__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s4);
  text-align: center;
  max-width: 420px;
}

.dtf-upload-trigger:hover {
  border-color: var(--schie);
  background: var(--bg-paper);
  box-shadow: var(--sh-md);
}

.dtf-upload-trigger__icon {
  width: 48px;
  height: 48px;
  color: var(--schie);
  transition: all var(--ease);
}

.dtf-upload-trigger:hover .dtf-upload-trigger__icon {
  transform: translateY(-4px);
}

.dtf-upload-trigger__title {
  font-family: var(--font-head);
  font-size: var(--t-md);
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

.dtf-upload-trigger__body {
  font-size: var(--t-sm);
  color: var(--ink-2);
  margin: 0;
}

.dtf-upload-trigger__specs {
  font-size: var(--t-xs);
  color: var(--ink-3);
  margin: 0;
}

@media (max-width: 480px) {
  .dtf-upload-trigger {
    min-width: 0;
    width: 100%;
    padding: var(--s8);
  }
}

/* ── Canvas Container (after image loaded) ─────────────────── */

.dtf-canvas-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dtf-canvas {
  max-width: 100%;
  max-height: 100%;
  border: 1px solid var(--rule);
  border-radius: var(--r-sm);
  box-shadow: var(--sh-md);
  background: #fff;
  display: block;
}

/* ── Loading Spinner ───────────────────────────────────────── */

.dtf-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s4);
}

.dtf-loading__spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--rule);
  border-top-color: var(--schie);
  border-radius: 50%;
  animation: dtf-spin 0.8s linear infinite;
}

@keyframes dtf-spin {
  to { transform: rotate(360deg); }
}

.dtf-loading__text {
  font-size: var(--t-sm);
  color: var(--ink-2);
  font-weight: 500;
  margin: 0;
}

/* ── File Info Display ─────────────────────────────────────── */

.dtf-file-info {
  position: absolute;
  bottom: var(--s4);
  left: var(--s4);
  right: var(--s4);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  padding: var(--s3) var(--s4);
  font-size: var(--t-xs);
  color: var(--ink-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  box-shadow: var(--sh-sm);
}

.dtf-file-info__name {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.dtf-file-info__meta {
  white-space: nowrap;
  flex-shrink: 0;
}

[data-theme="dark"] .dtf-file-info {
  background: rgba(37, 35, 32, 0.92);
}

/* ── Controls Sidebar ──────────────────────────────────────── */

.dtf-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--s6);
}

.dtf-control-section {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  padding: var(--s6);
}

.dtf-control-section__title {
  font-family: var(--font-head);
  font-size: var(--t-base);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 var(--s4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dtf-control-section__subtitle {
  font-size: var(--t-xs);
  font-weight: 400;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Quality Indicator ─────────────────────────────────────── */

.dtf-quality {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
}

.dtf-quality__bar {
  height: 8px;
  background: var(--surface-dim);
  border-radius: 99px;
  overflow: hidden;
  position: relative;
}

.dtf-quality__fill {
  height: 100%;
  border-radius: 99px;
  transition: all var(--ease);
}

.dtf-quality__fill--low {
  width: 33%;
  background: #dc2626;
}

.dtf-quality__fill--medium {
  width: 66%;
  background: #f59e0b;
}

.dtf-quality__fill--high {
  width: 100%;
  background: #16a34a;
}

.dtf-quality__label {
  font-size: var(--t-sm);
  color: var(--ink-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dtf-quality__status {
  font-weight: 600;
}

.dtf-quality__status--low { color: #dc2626; }
.dtf-quality__status--medium { color: #f59e0b; }
.dtf-quality__status--high { color: #16a34a; }

.dtf-quality__note {
  font-size: var(--t-xs);
  color: var(--ink-3);
  line-height: 1.5;
  padding: var(--s3);
  background: var(--bg-off);
  border-radius: var(--r-sm);
  border-left: 2px solid var(--rule-strong);
  margin: var(--s2) 0 0;
}

.dtf-quality__note--low {
  background: #fef2f2;
  border-left-color: #dc2626;
  color: #991b1b;
}

[data-theme="dark"] .dtf-quality__note--low {
  background: rgba(220, 38, 38, 0.1);
  color: #fca5a5;
}

/* ── Control Groups ────────────────────────────────────────── */

.dtf-control-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  margin-bottom: var(--s4);
}

.dtf-control-group:last-child {
  margin-bottom: 0;
}

.dtf-control-value {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--bg-paper);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  padding: var(--s2) var(--s3);
  min-width: 85px;
  justify-content: center;
}

.dtf-control-group input.dtf-control-input {
  width: 50px;
  text-align: right;
  padding: 0;
  border: none;
  background: transparent;
  font-weight: 600;
  font-size: var(--t-sm);
}

.dtf-control-group input.dtf-control-input:focus {
  outline: none;
  box-shadow: none;
}

.dtf-control-unit {
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--ink-2);
  padding-left: 2px;
}

.dtf-control-value:focus-within {
  border-color: var(--schie);
  box-shadow: 0 0 0 3px rgba(58, 122, 130, 0.1);
}

[data-theme="dark"] .dtf-control-value {
  background: var(--surface-2);
}

/* ── Control Buttons ───────────────────────────────────────── */

.dtf-control-btn {
  width: 48px;
  height: 48px;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  color: var(--ink);
  cursor: pointer;
  transition: all var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dtf-control-btn svg {
  width: 24px;
  height: 24px;
}

.dtf-control-btn:hover:not(:disabled) {
  background: var(--schie);
  color: #fff;
  border-color: var(--schie);
  transform: scale(1.05);
}

.dtf-control-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.dtf-control-btn-secondary {
  width: 100%;
  padding: var(--s3) var(--s4);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  transition: all var(--ease);
}

.dtf-control-btn-secondary:hover {
  border-color: var(--schie);
  color: var(--schie);
  background: var(--surface);
}

/* ── Position Grid ─────────────────────────────────────────── */

.dtf-position-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s2);
  max-width: 180px;
  margin: 0 auto;
}

.dtf-position-grid .dtf-control-btn {
  width: 100%;
  aspect-ratio: 1;
}

.dtf-position-grid .dtf-control-btn svg {
  width: 24px;
  height: 24px;
}

.dtf-position-grid .dtf-control-btn-secondary {
  width: 100%;
  aspect-ratio: 1;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dtf-position-grid .dtf-control-btn-secondary svg {
  width: 20px;
  height: 20px;
}

.dtf-position-empty {
  background: transparent;
  border: none;
  pointer-events: none;
}

.dtf-control-label {
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

.dtf-control-input {
  width: 100%;
  padding: var(--s3) var(--s4);
  background: var(--bg-paper);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: var(--t-sm);
  color: var(--ink);
  transition: all var(--ease);
}

.dtf-control-input:focus {
  outline: none;
  border-color: var(--schie);
  box-shadow: 0 0 0 3px rgba(58, 122, 130, 0.1);
}

.dtf-control-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

[data-theme="dark"] .dtf-control-input {
  background: var(--surface-2);
}

/* ── Button Group ──────────────────────────────────────────── */

.dtf-btn-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s2);
}

.dtf-btn-small {
  padding: var(--s2) var(--s3);
  background: var(--bg-paper);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: var(--t-xs);
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  transition: all var(--ease);
  text-align: center;
}

.dtf-btn-small:hover {
  background: var(--surface);
  border-color: var(--schie);
  color: var(--schie);
}

.dtf-btn-small:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

[data-theme="dark"] .dtf-btn-small {
  background: var(--surface-2);
}

/* ── Approval Section ──────────────────────────────────────── */

.dtf-approval {
  padding-top: var(--s6);
  border-top: 1px solid var(--rule);
  margin-top: var(--s2);
}

.dtf-approval__text {
  font-size: var(--t-sm);
  color: var(--ink-2);
  line-height: 1.6;
  margin: 0 0 var(--s4);
}

.dtf-approval__text strong {
  color: var(--ink);
  font-weight: 600;
}

.dtf-approval__actions {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
}

.dtf-btn-primary {
  width: 100%;
  padding: var(--s4) var(--s6);
  background: var(--schie);
  border: none;
  border-radius: var(--r-md);
  font-family: var(--font-head);
  font-size: var(--t-base);
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  transition: all var(--ease);
}

.dtf-btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: var(--sh-sm);
}

.dtf-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.dtf-btn-secondary {
  width: 100%;
  padding: var(--s3) var(--s5);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  font-family: var(--font-body);
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  transition: all var(--ease);
}

.dtf-btn-secondary:hover {
  border-color: var(--schie);
  color: var(--schie);
  background: var(--surface);
}

.dtf-btn-secondary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Approval Section ──────────────────────────────────────── */

.dtf-control-section--approval {
  margin-top: var(--s8);
  padding-top: var(--s8);
  border-top: 2px solid var(--rule);
}

.dtf-approval-title {
  font-family: var(--font-head);
  font-size: var(--t-base);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 var(--s4);
  text-align: center;
}

.dtf-approval-box {
  background: var(--bg-paper);
  border: 2px solid var(--schie);
  border-radius: var(--r-md);
  padding: var(--s5);
  margin-bottom: var(--s4);
}

.dtf-approval-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--s3);
  cursor: pointer;
}

.dtf-approval-checkbox__input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--schie);
  flex-shrink: 0;
}

.dtf-approval-checkbox__label {
  display: flex;
  flex-direction: column;
  gap: var(--s1);
  flex: 1;
}

.dtf-approval-checkbox__label strong {
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

.dtf-approval-checkbox__label small {
  font-size: var(--t-xs);
  color: var(--ink-2);
  line-height: 1.4;
}

.dtf-submit-btn {
  width: 100%;
  padding: var(--s4) var(--s6);
  background: var(--schie);
  border: none;
  border-radius: var(--r-md);
  font-family: var(--font-head);
  font-size: var(--t-base);
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  transition: all var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  box-shadow: var(--sh-sm);
}

.dtf-submit-btn:hover:not(:disabled) {
  background: #2f6268;
  box-shadow: var(--sh-md);
  transform: translateY(-1px);
}

.dtf-submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.dtf-submit-btn svg {
  flex-shrink: 0;
}

/* ── Hidden File Input ─────────────────────────────────────── */

.dtf-file-input {
  display: none;
}

/* ── Responsive Adjustments ────────────────────────────────── */

@media (max-width: 768px) {
  .dtf-sidebar {
    order: -1;
  }

  .dtf-control-section {
    padding: var(--s5);
  }

  .dtf-file-info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s2);
  }

  .dtf-file-info__name,
  .dtf-file-info__meta {
    white-space: normal;
  }
}

@media (max-width: 480px) {
  .dtf-btn-group {
    grid-template-columns: 1fr;
  }
}

/* ── Instructions Section ──────────────────────────────────── */

.dtf-section {
  padding: var(--s16) 0;
  background: var(--bg-paper);
  border-top: 1px solid var(--rule);
}

.dtf-wrap {
  max-width: 1200px;
  margin-inline: auto;
  padding: 0 var(--s8);
}

.dtf-section__title {
  font-family: var(--font-head);
  font-size: var(--t-xl);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: var(--s2) 0 0;
}

.dtf-instructies-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--s12);
  align-items: start;
}

.dtf-instructies-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s6);
}

.dtf-instructie-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--s4);
  align-items: start;
}

.dtf-instructie-n {
  width: 48px;
  height: 48px;
  background: var(--schie);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: var(--t-base);
  font-weight: 700;
  flex-shrink: 0;
}

.dtf-instructie-item strong {
  display: block;
  font-family: var(--font-head);
  font-size: var(--t-base);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: var(--s1);
}

.dtf-instructie-item p {
  font-size: var(--t-sm);
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0;
}

@media (max-width: 768px) {
  .dtf-section {
    padding: var(--s12) 0;
  }

  .dtf-wrap {
    padding: 0 var(--s6);
  }

  .dtf-instructies-layout {
    grid-template-columns: 1fr;
    gap: var(--s8);
  }

  .dtf-section__title {
    font-size: var(--t-lg);
  }
}