/* InvoiceScan WordPress Plugin — Frontend Styles */

:root {
  --is-ink:    #0f0e0b;
  --is-paper:  #f5f2eb;
  --is-cream:  #ede9df;
  --is-gold:   #c9a84c;
  --is-rust:   #b84c2a;
  --is-sage:   #4a6741;
  --is-muted:  #7a7568;
  --is-border: #d4cfc4;
  --is-white:  #fefcf8;
}

.is-app { font-family: 'DM Sans', -apple-system, sans-serif; color: var(--is-ink); }
@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@300;400;500&display=swap');

/* Workspace */
.is-workspace {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--is-border);
  border: 1px solid var(--is-border);
}
@media (max-width: 680px) {
  .is-workspace { grid-template-columns: 1fr; }
}

.is-panel {
  background: var(--is-white);
  padding: 28px;
}

.is-panel__label {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--is-muted);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.is-panel__label::after { content:''; flex:1; height:1px; background:var(--is-border); }

/* Drop zone */
.is-dropzone {
  border: 1.5px dashed var(--is-border);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--is-paper);
}
.is-dropzone:hover, .is-dropzone.is-over { border-color: var(--is-gold); background: #faf7f0; }
.is-dropzone__icon {
  width: 44px; height: 44px;
  margin: 0 auto 14px;
  border: 1.5px solid var(--is-border);
  display: flex; align-items: center; justify-content: center;
  background: var(--is-white);
  color: var(--is-gold);
}
.is-dropzone__title { font-size: 17px; font-weight: 400; margin-bottom: 6px; }
.is-dropzone__sub   { font-size: 13px; color: var(--is-muted); margin-bottom: 14px; }
.is-filetypes { display:flex; justify-content:center; gap:6px; margin-bottom:14px; }
.is-filetypes span {
  font-family: 'DM Mono', monospace;
  font-size: 10px; border: 1px solid var(--is-border);
  padding: 2px 7px; color: var(--is-muted); letter-spacing: 1px;
}

/* Buttons */
.is-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 18px;
  font-family: inherit; font-size: 13px; font-weight: 500;
  cursor: pointer; border: none; transition: all 0.15s;
  text-decoration: none;
}
.is-btn--outline  { border: 1.5px solid var(--is-ink); background: none; color: var(--is-ink); }
.is-btn--outline:hover  { background: var(--is-ink); color: var(--is-white); }
.is-btn--primary  { background: var(--is-ink); color: var(--is-white); width: 100%; justify-content: center; }
.is-btn--primary:hover  { background: #2a2922; }
.is-btn--primary:disabled { background: var(--is-muted); cursor: not-allowed; }
.is-btn--send {
  background: var(--is-sage); color: white; width: 100%;
  margin-top: 10px;
}
.is-btn--send:hover { background: #3a5433; }
.is-btn--dl {
  flex: 1; border: 1.5px solid var(--is-ink); background: none;
  color: var(--is-ink); font-size: 11px; padding: 7px 10px;
}
.is-btn--dl:hover { background: var(--is-ink); color: var(--is-white); }
.is-browse-btn { margin-top: 6px; font-size: 12px; padding: 7px 16px; }

/* Preview */
.is-preview__img {
  border: 1px solid var(--is-border);
  min-height: 80px;
  overflow: hidden;
  background: var(--is-cream);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 10px;
}
.is-preview__img img { max-width: 100%; max-height: 280px; object-fit: contain; display: block; }
.is-pdf-thumb {
  padding: 28px; text-align: center;
  font-family: 'DM Mono', monospace; font-size: 12px; color: var(--is-muted);
}
.is-pdf-thumb svg { color: var(--is-rust); display: block; margin: 0 auto 8px; }
.is-preview__info {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 12px; background: var(--is-cream); border: 1px solid var(--is-border);
  margin-bottom: 12px;
  font-family: 'DM Mono', monospace; font-size: 11px; color: var(--is-muted);
}
.is-clear-btn { background: none; border: none; color: var(--is-rust); cursor: pointer; font-size: 11px; font-family: 'DM Mono', monospace; }
.is-extract-btn { margin-bottom: 10px; }

/* Progress */
.is-progress { margin-bottom: 10px; }
.is-progress__bar { height: 3px; background: var(--is-border); }
.is-progress__fill { height: 100%; background: var(--is-gold); width: 0%; transition: width 0.4s ease; }
.is-progress__label { font-family: 'DM Mono', monospace; font-size: 10px; color: var(--is-muted); margin-top: 5px; letter-spacing: 0.5px; }

/* OCR raw */
.is-ocr-raw { margin-bottom: 10px; }
.is-ocr-toggle {
  width: 100%; text-align: left; background: none;
  border: 1px solid var(--is-border); padding: 6px 10px;
  font-family: 'DM Mono', monospace; font-size: 10px; color: var(--is-muted);
  cursor: pointer; letter-spacing: 1px;
}
.is-ocr-toggle:hover { border-color: var(--is-gold); color: var(--is-gold); }
.is-ocr-text {
  background: var(--is-cream); border: 1px solid var(--is-border); border-top: none;
  padding: 10px; font-family: 'DM Mono', monospace; font-size: 10px; color: var(--is-muted);
  max-height: 110px; overflow-y: auto; white-space: pre-wrap; line-height: 1.5;
}

/* Error */
.is-error {
  background: #fdf0ed; border: 1px solid #e8c4b8;
  padding: 12px; color: var(--is-rust); font-size: 13px; line-height: 1.5;
  margin-top: 8px;
}

/* Empty / Spinner */
.is-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 340px; text-align: center; color: var(--is-muted);
}
.is-empty svg { color: var(--is-border); margin-bottom: 10px; }
.is-empty p { font-family: 'DM Mono', monospace; font-size: 12px; letter-spacing: 0.5px; }
.is-spinner { display:flex; flex-direction:column; align-items:center; justify-content:center; min-height:340px; gap:16px; }
.is-spinner__ring {
  width: 34px; height: 34px;
  border: 2px solid var(--is-border); border-top-color: var(--is-gold);
  border-radius: 50%; animation: is-spin 0.8s linear infinite;
}
@keyframes is-spin { to { transform: rotate(360deg); } }
.is-spinner p { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--is-muted); letter-spacing: 1px; animation: is-pulse 1.5s ease infinite; }
@keyframes is-pulse { 0%,100%{opacity:0.5} 50%{opacity:1} }

/* Data sections */
.is-section { margin-bottom: 18px; }
.is-section-head {
  font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--is-gold);
  margin-bottom: 7px; padding-bottom: 6px; border-bottom: 1px solid var(--is-border);
}
.is-field {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 5px 0; border-bottom: 1px solid #ede9df; gap: 10px;
}
.is-field__key { font-size: 12px; color: var(--is-muted); flex-shrink: 0; }
.is-field__val { font-family: 'DM Mono', monospace; font-size: 12px; text-align: right; word-break: break-all; }
.is-field__val--hl { color: var(--is-sage); font-weight: 500; }

/* Confidence */
.is-confidence {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; background: var(--is-paper); border: 1px solid var(--is-border);
  margin-bottom: 18px;
}
.is-confidence__label { font-family: 'DM Mono', monospace; font-size: 10px; color: var(--is-muted); letter-spacing: 1px; white-space: nowrap; }
.is-confidence__bar { flex: 1; height: 4px; background: var(--is-border); }
.is-confidence__fill { height: 100%; background: var(--is-sage); transition: width 1s ease; width: 0%; }
.is-confidence__pct { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--is-sage); white-space: nowrap; }

/* Line items table */
.is-line-table { width:100%; border-collapse:collapse; font-size:12px; margin-top:4px; }
.is-line-table th { font-family:'DM Mono',monospace; font-size:9px; letter-spacing:1px; text-transform:uppercase; color:var(--is-muted); text-align:left; padding:5px 7px; border-bottom:1px solid var(--is-border); background:var(--is-paper); }
.is-line-table td { padding:6px 7px; border-bottom:1px solid #ede9df; vertical-align:top; }
.is-line-table tr:last-child td { border-bottom:none; }
.is-line-table td:last-child, .is-line-table th:last-child { text-align:right; font-family:'DM Mono',monospace; }

/* Actions */
.is-actions { padding-top: 18px; border-top: 1px solid var(--is-border); margin-top: 10px; }
.is-actions__title { font-family:'DM Mono',monospace; font-size:10px; letter-spacing:2px; text-transform:uppercase; color:var(--is-muted); margin-bottom:14px; }
.is-label { display:block; font-size:11px; color:var(--is-muted); margin-bottom:5px; font-family:'DM Mono',monospace; letter-spacing:0.5px; }
.is-email-row { margin-bottom: 12px; }
.is-select, .is-input {
  width: 100%; padding: 8px 10px; border: 1px solid var(--is-border);
  background: var(--is-white); font-family: inherit; font-size: 13px;
  color: var(--is-ink); outline: none; margin-bottom: 6px;
}
.is-select:focus, .is-input:focus { border-color: var(--is-gold); }
.is-email-fixed { font-family:'DM Mono',monospace; font-size:12px; color:var(--is-ink); }
.is-formats-row { margin-bottom: 12px; }
.is-checkboxes { display: flex; flex-wrap: wrap; gap: 8px; }
.is-checkbox { display:flex; align-items:center; gap:5px; font-size:12px; cursor:pointer; }
.is-checkbox input { cursor:pointer; }
.is-send-status {
  margin-top: 8px; padding: 10px 12px; font-size: 13px;
  border: 1px solid; border-radius: 0;
}
.is-send-status.ok  { background:#f0fdf0; border-color:#b4ddb4; color:var(--is-sage); }
.is-send-status.err { background:#fdf0ed; border-color:#e8c4b8; color:var(--is-rust); }
.is-downloads { margin-top: 14px; }
.is-download-btns { display:flex; flex-wrap:wrap; gap:5px; margin-top:6px; }

/* ── Session bar ─────────────────────────────────────────────────────────── */
.is-session-bar {
  background: #f0f7ff;
  border: 1px solid #c3dafe;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
}
.is-session-bar__title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #3b82f6;
  display: flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 8px;
}
.is-session-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.is-session-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid #dbeafe;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
}
.is-session-item__num {
  background: #3b82f6;
  color: #fff;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.is-session-item__name {
  flex: 1;
  font-weight: 500;
  color: #1e293b;
}
.is-session-item__name em {
  font-style: normal;
  color: #64748b;
  font-size: 12px;
  margin-left: 4px;
}
.is-session-item__total {
  font-size: 12px;
  font-weight: 600;
  color: #059669;
  margin-right: 4px;
}
.is-session-item__remove {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  font-size: 12px;
  padding: 2px 4px;
  border-radius: 4px;
  line-height: 1;
  transition: color .15s, background .15s;
}
.is-session-item__remove:hover {
  color: #ef4444;
  background: #fee2e2;
}

/* ── Session controls (scan another / reset) ─────────────────────────────── */
.is-session-controls {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.is-btn--sm {
  font-size: 12px;
  padding: 5px 10px;
}
.is-btn--ghost {
  background: none;
  border: 1px solid #e2e8f0;
  color: #94a3b8;
}
.is-btn--ghost:hover {
  color: #ef4444;
  border-color: #fca5a5;
  background: #fff1f2;
}