/* ─────────────────────────────────────────────────────────────────────
   AI Tilbudsgenerator Pro — Frontend
   Stil: Bedre Gulve-inspireret, store valgknapper, slider, live pris
───────────────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --ai-primary:    #2563eb;
  --ai-primary-dk: #1d4ed8;
  --ai-primary-lt: #eff4ff;
  --ai-btn-bg:     #3d5a7a;
  --ai-btn-active: #1e3a52;
  --ai-btn-hover:  #2d4a6a;
  --ai-green:      #10b981;
  --ai-text:       #0f172a;
  --ai-text-2:     #475569;
  --ai-text-3:     #94a3b8;
  --ai-border:     #e2e8f0;
  --ai-bg:         #f8fafc;
  --ai-card:       #ffffff;
  --ai-radius:     10px;
  --ai-shadow:     0 8px 40px rgba(0,0,0,.10);
  --ai-font:       'DM Sans', -apple-system, sans-serif;
}

/* ── Wrapper ─────────────────────────────────────────────────── */
.ai-calc-outer {
  font-family: var(--ai-font);
  font-size: 15px;
  color: var(--ai-text);
  line-height: 1.5;
  max-width: 640px;
  margin: 0 auto;
}

/* ── Top bar ─────────────────────────────────────────────────── */
.ai-calc-topbar {
  background: var(--ai-primary);
  border-radius: var(--ai-radius) var(--ai-radius) 0 0;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.ai-calc-topbar-title {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.ai-calc-live-price {
  text-align: right;
  flex-shrink: 0;
}
.ai-calc-live-price-label {
  font-size: 10px;
  color: rgba(255,255,255,.6);
  text-transform: uppercase;
  letter-spacing: .06em;
  display: block;
}
.ai-calc-live-price-amount {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.02em;
  display: block;
  transition: opacity .25s, transform .25s;
}
.ai-calc-live-price-amount.pulse {
  opacity: .4;
  transform: scale(.92);
}
.ai-progress-wrap {
  height: 3px;
  background: rgba(255,255,255,.25);
}
.ai-progress-fill {
  height: 100%;
  background: #fff;
  border-radius: 0 2px 2px 0;
  transition: width .4s ease;
}

/* ── Main body ───────────────────────────────────────────────── */
.ai-calc-body {
  background: var(--ai-card);
  border: 1px solid var(--ai-border);
  border-top: none;
  border-radius: 0 0 var(--ai-radius) var(--ai-radius);
  box-shadow: var(--ai-shadow);
  padding: 28px 22px 22px;
}

/* ── Field block ─────────────────────────────────────────────── */
.ai-field-block {
  margin-bottom: 28px;
}
.ai-field-label {
  font-size: 14px;
  color: var(--ai-text-2);
  margin-bottom: 12px;
  display: block;
}

/* ── OPTION BUTTONS (stor knap-stil) ─────────────────────────── */
.ai-opt-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ai-opt-grid.cols-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.ai-opt-grid.cols-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.ai-opt-btn {
  background: var(--ai-btn-bg);
  border: 2px solid transparent;
  border-radius: var(--ai-radius);
  color: #fff;
  font-family: var(--ai-font);
  font-size: 15px;
  font-weight: 500;
  /* Equal padding top & bottom — only changes when image is present */
  padding: 16px 18px;
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .12s;
  text-align: center;
  /* Row layout by default (no image) */
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  position: relative;
  overflow: hidden;
}
/* Only switch to column layout when button HAS an image */
.ai-opt-btn:has(.opt-img) {
  flex-direction: column;
  padding: 14px 12px;
  gap: 8px;
}
.ai-opt-btn:hover {
  background: var(--ai-btn-hover);
  transform: translateY(-1px);
}
.ai-opt-btn.selected {
  background: var(--ai-btn-active);
  border-color: #fff;
  box-shadow: 0 0 0 3px rgba(255,255,255,.25);
}
.ai-opt-btn.selected::after {
  content: '✓';
  position: absolute;
  top: 8px;
  right: 10px;
  font-size: 13px;
  opacity: .8;
}

/* Button image — only shown when src is set */
.ai-opt-btn .opt-img {
  width: 100%;
  max-height: 110px;
  object-fit: cover;
  border-radius: 6px;
  display: block;
}
.ai-opt-btn .opt-label {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.3;
}
.ai-opt-btn .opt-desc {
  font-size: 11px;
  opacity: .7;
  line-height: 1.2;
}
.ai-opt-btn .opt-label {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.3;
}
.ai-opt-btn .opt-desc {
  font-size: 11px;
  opacity: .7;
  line-height: 1.2;
  margin-top: 2px;
}

/* Checkbox group (multi-select) */
.ai-opt-btn.multi-select.selected {
  background: var(--ai-btn-active);
  border-color: #fff;
}

/* ── SLIDER ──────────────────────────────────────────────────── */
.ai-slider-field {}
.ai-slider-display {
  font-size: 28px;
  font-weight: 700;
  color: var(--ai-primary);
  letter-spacing: -.03em;
  margin-bottom: 10px;
  line-height: 1;
}
.ai-slider-track-wrap {
  position: relative;
  margin-bottom: 8px;
}
.ai-slider-input {
  -webkit-appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 3px;
  background: #dde3ed;
  outline: none;
  cursor: pointer;
  padding: 0;
  border: none;
}
.ai-slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ai-primary);
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(37,99,235,.4);
  cursor: grab;
  transition: transform .15s, box-shadow .15s;
}
.ai-slider-input::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.2);
  box-shadow: 0 4px 16px rgba(37,99,235,.5);
}
.ai-slider-input::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ai-primary);
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(37,99,235,.4);
  cursor: grab;
}
.ai-slider-minmax {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ai-text-3);
  margin-top: 4px;
}

/* ── TEXT / EMAIL / TEL inputs ───────────────────────────────── */
.ai-text-input {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--ai-border);
  border-radius: var(--ai-radius);
  font-size: 15px;
  font-family: var(--ai-font);
  color: var(--ai-text);
  background: var(--ai-bg);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  box-sizing: border-box;
}
.ai-text-input:focus {
  border-color: var(--ai-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
  background: #fff;
}
.ai-text-input::placeholder { color: var(--ai-text-3); }
.ai-text-input.has-error { border-color: #ef4444; }

/* Date input */
.ai-date-input {
  composes: ai-text-input;
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--ai-border);
  border-radius: var(--ai-radius);
  font-size: 15px;
  font-family: var(--ai-font);
  color: var(--ai-text);
  background: var(--ai-bg);
  outline: none;
  transition: border-color .15s;
  box-sizing: border-box;
}
.ai-date-input:focus { border-color: var(--ai-primary); }

/* File upload */
.ai-file-zone {
  border: 2px dashed var(--ai-border);
  border-radius: var(--ai-radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all .15s;
  background: var(--ai-bg);
}
.ai-file-zone:hover, .ai-file-zone.dragover {
  border-color: var(--ai-primary);
  background: var(--ai-primary-lt);
}
.ai-file-zone input { display: none; }
.ai-file-zone-icon { font-size: 28px; margin-bottom: 8px; display: block; }
.ai-file-zone-text { font-size: 13px; color: var(--ai-text-3); }
.ai-file-list { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.ai-file-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 12px; background: var(--ai-bg);
  border-radius: 8px; border: 1px solid var(--ai-border); font-size: 13px;
}
.ai-file-item-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-file-remove { cursor: pointer; color: #ef4444; font-size: 14px; flex-shrink: 0; }

/* Textarea */
.ai-textarea-input {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--ai-border);
  border-radius: var(--ai-radius);
  font-size: 15px;
  font-family: var(--ai-font);
  color: var(--ai-text);
  background: var(--ai-bg);
  outline: none;
  resize: vertical;
  min-height: 90px;
  transition: border-color .15s;
  box-sizing: border-box;
}
.ai-textarea-input:focus { border-color: var(--ai-primary); }

/* ── DIVIDER ─────────────────────────────────────────────────── */
.ai-divider {
  height: 1px;
  background: var(--ai-border);
  margin: 24px 0;
}

/* ── LIVE PRICE BAR (bottom) ─────────────────────────────────── */
.ai-price-bar {
  background: linear-gradient(135deg, #1e3a52, #2d4a6a);
  border-radius: var(--ai-radius);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.ai-price-bar-text {}
.ai-price-bar-label {
  font-size: 12px;
  color: rgba(255,255,255,.6);
  text-transform: uppercase;
  letter-spacing: .06em;
  display: block;
  margin-bottom: 4px;
}
.ai-price-bar-amount {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.03em;
  display: block;
  transition: all .3s;
}
.ai-price-bar-vat {
  font-size: 12px;
  color: rgba(255,255,255,.5);
  display: block;
  margin-top: 2px;
}

/* ── CONTACT FORM SECTION ────────────────────────────────────── */
.ai-contact-section {
  margin-top: 24px;
}
.ai-contact-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ai-text);
  margin: 0 0 6px;
}
.ai-contact-sub {
  font-size: 13px;
  color: var(--ai-text-3);
  margin: 0 0 20px;
}
.ai-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.ai-contact-grid .full { grid-column: 1 / -1; }

/* ── SUBMIT BUTTON ───────────────────────────────────────────── */
.ai-submit-btn {
  width: 100%;
  padding: 17px 24px;
  background: var(--ai-primary);
  color: #fff;
  border: none;
  border-radius: var(--ai-radius);
  font-family: var(--ai-font);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s, transform .12s, box-shadow .15s;
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 18px rgba(37,99,235,.35);
  letter-spacing: -.01em;
}
.ai-submit-btn:hover {
  background: var(--ai-primary-dk);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,.4);
}
.ai-submit-btn:active { transform: translateY(0); }
.ai-submit-btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.ai-submit-btn .btn-spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: none;
}
.ai-submit-btn.loading .btn-spinner { display: block; }
.ai-submit-btn.loading .btn-text { display: none; }

/* ── FIELD ERROR ─────────────────────────────────────────────── */
.ai-field-error {
  font-size: 12px;
  color: #ef4444;
  margin-top: 5px;
  font-weight: 500;
  display: none;
}
.ai-field-error.visible { display: block; }

/* ── SUCCESS STATE ───────────────────────────────────────────── */
.ai-success-state {
  text-align: center;
  padding: 48px 24px;
  display: none;
}
.ai-success-state.visible { display: block; }
.ai-success-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: #ecfdf5;
  color: var(--ai-green);
  font-size: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-weight: 700;
}
.ai-success-title { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.ai-success-sub   { font-size: 14px; color: var(--ai-text-3); }

/* ── SPINNER ─────────────────────────────────────────────────── */
@keyframes spin { to { transform: rotate(360deg); } }

/* ── CONDITIONAL: hidden fields ──────────────────────────────── */
.ai-field-block.ai-hidden {
  display: none !important;
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 520px) {
  .ai-calc-topbar { padding: 12px 16px; }
  .ai-calc-body   { padding: 22px 16px 18px; }
  .ai-calc-live-price-amount { font-size: 18px; }
  .ai-opt-grid.cols-3 { grid-template-columns: 1fr 1fr; }
  .ai-contact-grid { grid-template-columns: 1fr; }
  .ai-price-bar-amount { font-size: 26px; }
  .ai-step-question { font-size: 19px; }
  .ai-opt-btn { font-size: 14px; padding: 14px 12px; }
}

/* ── Missing rules ────────────────────────────────────────────── */
.ai-fields-wrap {
  display: flex;
  flex-direction: column;
}

.ai-field-block {
  margin-bottom: 24px;
}
.ai-field-block:last-child {
  margin-bottom: 0;
}

/* Conditional hidden */
.ai-cond-hidden {
  display: none !important;
}

/* Required star */
.ai-req {
  color: #ef4444;
  margin-left: 3px;
}

/* Range hint text */
.ai-range-hint {
  font-size: 12px;
  color: var(--ai-text-3);
  margin-top: 5px;
}

/* Slider display value */
.ai-slider-display {
  font-size: 28px;
  font-weight: 700;
  color: var(--ai-primary);
  letter-spacing: -.03em;
  margin-bottom: 8px;
  line-height: 1;
}
.ai-slider-track-wrap {
  position: relative;
}
.ai-slider-minmax {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ai-text-3);
  margin-top: 5px;
}

/* Price bar flex */
.ai-price-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: linear-gradient(135deg, #1e3a52, #2d4a6a);
  border-radius: var(--ai-radius);
  padding: 20px 22px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.ai-price-bar-label {
  font-size: 11px;
  color: rgba(255,255,255,.6);
  text-transform: uppercase;
  letter-spacing: .06em;
  display: block;
  margin-bottom: 4px;
}
.ai-price-bar-amount {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.03em;
  display: block;
}
.ai-price-bar-vat {
  font-size: 12px;
  color: rgba(255,255,255,.5);
  display: block;
  margin-top: 2px;
}

/* Divider */
.ai-divider {
  height: 1px;
  background: var(--ai-border);
  margin: 28px 0;
}

/* Contact */
.ai-contact-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 4px;
}
.ai-contact-sub {
  font-size: 13px;
  color: var(--ai-text-3);
  margin: 0 0 18px;
}
.ai-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 0;
}
.ai-contact-grid .full {
  grid-column: 1 / -1;
}

/* Success */
.ai-success-state {
  display: none;
  text-align: center;
  padding: 48px 24px;
}
.ai-success-state.visible {
  display: block;
}
.ai-success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #ecfdf5;
  color: #10b981;
  font-size: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-weight: 700;
}
.ai-success-title { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.ai-success-sub   { font-size: 14px; color: var(--ai-text-3); }

/* Topbar price pulse animation */
.ai-calc-live-price-amount.pulse {
  opacity: .4;
  transform: scale(.92);
  transition: opacity .3s, transform .3s;
}

/* Submit button */
.ai-submit-btn {
  width: 100%;
  margin-top: 16px;
  padding: 16px 24px;
  background: var(--ai-primary);
  color: #fff;
  border: none;
  border-radius: var(--ai-radius);
  font-family: var(--ai-font);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s, transform .12s, box-shadow .15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 18px rgba(37,99,235,.3);
}
.ai-submit-btn:hover {
  background: var(--ai-primary-dk);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,.38);
}
.ai-submit-btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.btn-spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ai-spin .7s linear infinite;
  display: none;
}
.ai-submit-btn.loading .btn-spinner { display: block; }
.ai-submit-btn.loading .btn-text { display: none; }
@keyframes ai-spin { to { transform: rotate(360deg); } }

/* Field errors */
.ai-field-error { font-size: 12px; color: #ef4444; margin-top: 5px; font-weight: 500; display: none; }
.ai-field-error.visible { display: block; }

/* File upload */
.ai-file-zone {
  border: 2px dashed var(--ai-border);
  border-radius: var(--ai-radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all .15s;
  background: var(--ai-bg);
}
.ai-file-zone:hover, .ai-file-zone.dragover {
  border-color: var(--ai-primary);
  background: var(--ai-primary-lt);
}
.ai-file-zone-icon { font-size: 28px; margin-bottom: 8px; display: block; }
.ai-file-zone-text { font-size: 13px; color: var(--ai-text-3); }
.ai-file-list { margin-top: 8px; display: flex; flex-direction: column; gap: 6px; }
.ai-file-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 12px; background: var(--ai-bg);
  border-radius: 8px; border: 1px solid var(--ai-border); font-size: 13px;
}
.ai-file-item-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-file-remove { cursor: pointer; color: #ef4444; }

/* Textarea */
.ai-textarea-input {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--ai-border);
  border-radius: var(--ai-radius);
  font-size: 15px;
  font-family: var(--ai-font);
  color: var(--ai-text);
  background: var(--ai-bg);
  outline: none;
  resize: vertical;
  min-height: 90px;
  transition: border-color .15s;
  box-sizing: border-box;
}
.ai-textarea-input:focus { border-color: var(--ai-primary); }

@media (max-width: 520px) {
  .ai-contact-grid { grid-template-columns: 1fr; }
  .ai-opt-grid.cols-3 { grid-template-columns: 1fr 1fr; }
}