/* ============================================================
   SHELBY HIVER — ATELIER CHECKOUT & PAYMENT DOSSIER STYLESHEET
   Architectural, Formal Luxury Design. Monochromatic Palette.
   Mobile-Optimized Bottom-Sheet & Desktop Modal.
   ============================================================ */

.chk-modal-scrim {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.chk-modal-scrim.active {
  opacity: 1;
  visibility: visible;
}

.chk-modal-container {
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.38);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(16px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.chk-modal-scrim.active .chk-modal-container {
  transform: translateY(0);
}

/* MODAL HEADER */
.chk-modal-head {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color, #e5e5e5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-primary, #ffffff);
  flex-shrink: 0;
}

.chk-head-eyebrow {
  font-family: var(--f-display, sans-serif);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted, #777777);
  margin-bottom: 3px;
}

.chk-head-title {
  font-family: var(--f-display, sans-serif);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary, #111111);
  margin: 0;
}

.chk-modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-color, #e5e5e5);
  background: var(--bg-secondary, #f7f7f7);
  color: var(--text-primary, #111111);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  flex-shrink: 0;
  font-size: 13px;
}

.chk-modal-close:hover {
  background: #111111;
  color: #ffffff;
  border-color: #111111;
}

/* MODAL BODY */
.chk-modal-body {
  padding: 24px;
  overflow-y: auto;
  overscroll-behavior: contain;
  flex: 1;
}

/* SECTION TITLES */
.chk-sec-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-color, #eeeeee);
}

.chk-sec-title {
  font-family: var(--f-display, sans-serif);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary, #111111);
  display: flex;
  align-items: center;
  gap: 8px;
}

.chk-sec-title svg {
  color: var(--text-muted, #666666);
}

.chk-sec-badge {
  font-family: var(--f-display, sans-serif);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted, #777777);
}

/* ITEMS BREAKDOWN */
.chk-items-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
  max-height: 160px;
  overflow-y: auto;
  padding-right: 4px;
}

.chk-item-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-secondary, #f8f8f8);
  border: 1px solid var(--border-color, #e5e5e5);
  border-radius: 6px;
  padding: 8px 12px;
}

.chk-item-thumb {
  width: 40px;
  height: 48px;
  border-radius: 4px;
  object-fit: cover;
  background: #111111;
  flex-shrink: 0;
}

.chk-item-info {
  flex: 1;
  min-width: 0;
}

.chk-item-name {
  font-family: var(--f-display, sans-serif);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary, #111111);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chk-item-meta {
  font-size: 11px;
  color: var(--text-secondary, #666666);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.chk-item-price {
  font-family: var(--f-display, sans-serif);
  font-size: 13px;
  font-weight: 800;
  color: var(--text-primary, #111111);
  flex-shrink: 0;
}

/* SUMMARY CARD */
.chk-calc-card {
  background: var(--bg-secondary, #f9f9f9);
  border: 1px solid var(--border-color, #e5e5e5);
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 22px;
}

.chk-calc-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary, #555555);
  margin-bottom: 5px;
}

.chk-calc-row.total {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-color, #e5e5e5);
  font-size: 13.5px;
  font-weight: 800;
  color: var(--text-primary, #111111);
  font-family: var(--f-display, sans-serif);
}

.chk-calc-total-val {
  font-size: 18px;
  color: var(--text-primary, #111111);
  font-weight: 800;
}

/* DELIVERY FORM */
.chk-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 22px;
}

.chk-form-grid .full-span {
  grid-column: span 2;
}

.chk-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chk-label {
  font-family: var(--f-display, sans-serif);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary, #444444);
}

.chk-label .req {
  color: var(--accent-coral, #ff4d4d);
}

.chk-input {
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #d2d2d2);
  border-radius: 5px;
  padding: 9px 12px;
  font-size: 13px;
  color: var(--text-primary, #111111);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  font-family: inherit;
  width: 100%;
}

.chk-input:focus {
  border-color: #111111;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .chk-input:focus {
  border-color: #ffffff;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.chk-input::placeholder {
  color: var(--text-muted, #999999);
  font-size: 12px;
}

/* PAYMENT METHOD SELECTION TABS */
.chk-pay-methods-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.chk-pay-option {
  border: 1.5px solid var(--border-color, #e0e0e0);
  background: var(--bg-secondary, #fafafa);
  border-radius: 6px;
  padding: 12px 14px;
  cursor: pointer;
  transition: all 0.18s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}

.chk-pay-option:hover {
  border-color: #999999;
}

.chk-pay-option.active {
  border-color: #111111;
  background: var(--bg-primary, #ffffff);
}

[data-theme="dark"] .chk-pay-option.active {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.04);
}

.chk-pay-opt-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.chk-pay-opt-title {
  font-family: var(--f-display, sans-serif);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-primary, #111111);
  display: flex;
  align-items: center;
  gap: 6px;
}

.chk-pay-opt-tag {
  font-family: var(--f-display, sans-serif);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 5px;
  border-radius: 3px;
  background: #111111;
  color: #ffffff;
}

[data-theme="dark"] .chk-pay-opt-tag {
  background: #ffffff;
  color: #111111;
}

.chk-pay-opt-desc {
  font-size: 11px;
  color: var(--text-secondary, #666666);
  line-height: 1.4;
}

/* QR CODE DISPLAY PANEL */
.chk-qr-display-panel {
  background: var(--bg-secondary, #f8f8f8);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 18px;
  text-align: center;
}

.chk-qr-title {
  font-family: var(--f-display, sans-serif);
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary, #111111);
  margin-bottom: 2px;
}

.chk-qr-sub {
  font-size: 11.5px;
  color: var(--text-secondary, #666666);
  margin-bottom: 14px;
}

.chk-qr-img-box {
  width: 290px;
  max-width: 90%;
  margin: 0 auto 16px;
  border-radius: 8px;
  overflow: hidden;
  background: #ffffff;
  padding: 12px;
  border: 1.5px solid var(--border-color, #dcdcdc);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.chk-qr-img {
  width: 100%;
  height: auto;
  display: block;
}

.chk-qr-amount-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #cccccc);
  color: var(--text-primary, #111111);
  font-family: var(--f-display, sans-serif);
  font-size: 13px;
  font-weight: 800;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.chk-upi-id-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-color, #dcdcdc);
  border-radius: 5px;
  padding: 6px 12px;
  max-width: 320px;
  margin: 0 auto 16px;
}

.chk-upi-id-text {
  font-family: monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary, #111111);
  letter-spacing: 0.04em;
}

.chk-copy-btn {
  background: #111111;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 10px;
  font-family: var(--f-display, sans-serif);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s ease;
}

[data-theme="dark"] .chk-copy-btn {
  background: #ffffff;
  color: #111111;
}

.chk-copy-btn:hover {
  opacity: 0.85;
}

/* FORMAL SCREENSHOT UPLOAD DROPZONE (REQUIRED FIELD) */
.chk-upload-container {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--border-color, #d5d5d5);
  text-align: left;
}

.chk-upload-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.chk-upload-label-title {
  font-family: var(--f-display, sans-serif);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary, #111111);
  display: flex;
  align-items: center;
  gap: 6px;
}

.chk-upload-tag-req {
  font-family: var(--f-display, sans-serif);
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-coral, #ff4d4d);
}

.chk-upload-dropzone {
  border: 1.5px dashed var(--border-color, #cccccc);
  background: var(--bg-primary, #ffffff);
  border-radius: 6px;
  padding: 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.18s ease;
  position: relative;
}

.chk-upload-dropzone:hover,
.chk-upload-dropzone.dragover {
  border-color: #111111;
  background: var(--bg-secondary, #fafafa);
}

[data-theme="dark"] .chk-upload-dropzone:hover {
  border-color: #ffffff;
}

.chk-upload-dropzone.has-error {
  border-color: var(--accent-coral, #ff4d4d) !important;
  background: rgba(255, 77, 77, 0.03);
}

.chk-upload-input-hidden {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.chk-upload-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}

.chk-upload-empty-state svg {
  color: var(--text-muted, #777777);
  margin-bottom: 2px;
}

.chk-upload-prompt-text {
  font-family: var(--f-display, sans-serif);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-primary, #111111);
}

.chk-upload-sub-text {
  font-size: 10.5px;
  color: var(--text-muted, #777777);
}

/* UPLOAD PREVIEW STATE */
.chk-upload-preview-state {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 4px;
}

.chk-upload-thumb-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  text-align: left;
}

.chk-upload-preview-img {
  width: 48px;
  height: 48px;
  border-radius: 4px;
  object-fit: cover;
  border: 1px solid var(--border-color, #e0e0e0);
  background: #000000;
  flex-shrink: 0;
}

.chk-upload-file-meta {
  min-width: 0;
}

.chk-upload-file-name {
  font-family: var(--f-display, sans-serif);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-primary, #111111);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
}

.chk-upload-file-size {
  font-size: 10.5px;
  color: var(--text-muted, #777777);
  margin-top: 1px;
}

.chk-upload-remove-btn {
  background: var(--bg-secondary, #eeeeee);
  border: 1px solid var(--border-color, #cccccc);
  color: var(--text-primary, #111111);
  border-radius: 4px;
  padding: 4px 10px;
  font-family: var(--f-display, sans-serif);
  font-size: 10.5px;
  font-weight: 700;
  cursor: pointer;
  z-index: 3;
  position: relative;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.chk-upload-remove-btn:hover {
  background: #111111;
  color: #ffffff;
}

.chk-upload-error-msg {
  font-size: 11px;
  color: var(--accent-coral, #ff4d4d);
  font-weight: 600;
  margin-top: 6px;
  display: none;
}

/* COD PANEL */
.chk-cod-display-panel {
  background: var(--bg-secondary, #f8f8f8);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 18px;
}

.chk-cod-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12px;
  color: var(--text-secondary, #444444);
  line-height: 1.5;
  margin-bottom: 8px;
}

.chk-cod-item:last-child {
  margin-bottom: 0;
}

.chk-cod-item svg {
  color: var(--text-primary, #111111);
  flex-shrink: 0;
  margin-top: 2px;
}

/* SUBMIT BUTTON */
.chk-action-bar {
  margin-top: 14px;
}

.chk-submit-btn {
  width: 100%;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 6px;
  font-family: var(--f-display, sans-serif);
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  background: #111111;
  color: #ffffff;
}

[data-theme="dark"] .chk-submit-btn {
  background: #ffffff;
  color: #111111;
}

.chk-submit-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

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

/* CONFIRMATION / POST-CHECKOUT SCREEN */
.chk-success-panel {
  text-align: center;
  padding: 32px 12px;
}

.chk-success-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg-secondary, #f0f0f0);
  border: 1.5px solid var(--border-color, #cccccc);
  color: var(--text-primary, #111111);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.chk-success-title {
  font-family: var(--f-display, sans-serif);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary, #111111);
  margin-bottom: 6px;
}

.chk-success-desc {
  font-size: 13px;
  color: var(--text-secondary, #666666);
  max-width: 480px;
  margin: 0 auto 20px;
  line-height: 1.55;
}

.chk-formal-notice-box {
  background: var(--bg-secondary, #f9f9f9);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 6px;
  padding: 14px 16px;
  margin: 0 auto 22px;
  max-width: 500px;
  text-align: left;
}

.chk-formal-notice-head {
  font-family: var(--f-display, sans-serif);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary, #111111);
  margin-bottom: 4px;
}

.chk-formal-notice-body {
  font-size: 12px;
  color: var(--text-secondary, #555555);
  line-height: 1.5;
  margin: 0;
}

.chk-success-action-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.chk-btn-secondary {
  padding: 10px 18px;
  border-radius: 5px;
  font-family: var(--f-display, sans-serif);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--bg-secondary, #f2f2f2);
  color: var(--text-primary, #111111);
  text-decoration: none;
  border: 1px solid var(--border-color, #e0e0e0);
  cursor: pointer;
  transition: all 0.15s ease;
}

.chk-btn-secondary:hover {
  background: #111111;
  color: #ffffff;
  border-color: #111111;
}

[data-theme="dark"] .chk-btn-secondary:hover {
  background: #ffffff;
  color: #111111;
  border-color: #ffffff;
}

/* ════ MOBILE RESPONSIVENESS (BOTTOM-SHEET) ════ */
@media (max-width: 640px) {
  .chk-modal-scrim {
    padding: 0;
    align-items: flex-end;
  }

  .chk-modal-container {
    max-height: 94vh;
    border-radius: 16px 16px 0 0;
    border-bottom: none;
  }

  .chk-modal-head {
    padding: 16px 20px;
  }

  .chk-modal-body {
    padding: 16px 18px 24px;
  }

  .chk-form-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .chk-form-grid .full-span {
    grid-column: span 1;
  }

  .chk-pay-methods-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .chk-input {
    font-size: 16px; /* Prevents auto-zoom on iOS */
    padding: 11px 12px;
  }

  .chk-qr-img-box {
    width: 250px;
    max-width: 88%;
    padding: 10px;
  }

  .chk-submit-btn {
    min-height: 50px;
    font-size: 12px;
  }
}