/* ==========================================================================
   DOCUMENT METADATA CLEANER - STYLESHEET (Privacy-First, Local Processing)
   ========================================================================== */

/* Local Fonts (Zero Tracking & Zero External Assets) */
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/inter-regular.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/inter-500.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url('../fonts/inter-600.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 700; font-display: swap; src: url('../fonts/inter-700.woff2') format('woff2'); }

@font-face { font-family: 'Lora'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/lora-regular.woff2') format('woff2'); }
@font-face { font-family: 'Lora'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/lora-500.woff2') format('woff2'); }
@font-face { font-family: 'Lora'; font-style: normal; font-weight: 600; font-display: swap; src: url('../fonts/lora-600.woff2') format('woff2'); }

/* Theme Variables (Blue Document Cleaner Arculat) */
:root {
  --font-display: 'Lora', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-border: rgba(16,42,67,0.10);
  --color-text: #243b53;
  --color-accent: #2563eb;
  
  --color-success-bg: #f0fdf4;
  --color-success-text: #15803d;
  --color-success-border: rgba(21,128,61,0.20);
  --color-error-bg: #fef2f2;
  --color-error-text: #b91c1c;
  --color-error-border: rgba(185,28,28,0.20);
  
  --radius: 0.625rem;
  --tr: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  
  --shadow-card: 0 1px 3px rgba(16,42,67,0.06), 0 4px 16px rgba(16,42,67,0.04);
  --shadow-hover: 0 4px 20px rgba(16,42,67,0.10);
  
  --toast-bg: #243b53;
  --toast-text: #ffffff;
}

[data-theme="dark"] {
  --color-bg: #0f1923;
  --color-surface: #172130;
  --color-border: rgba(255,255,255,0.08);
  --color-text: #a8c4e0;
  --color-accent: #60a5fa;
  
  --color-success-bg: #052e16;
  --color-success-text: #4ade80;
  --color-success-border: rgba(74,222,128,0.20);
  --color-error-bg: #1f0a0a;
  --color-error-text: #f87171;
  --color-error-border: rgba(248,113,113,0.20);
  
  --shadow-card: 0 1px 3px rgba(0,0,0,0.20), 0 4px 16px rgba(0,0,0,0.15);
  --shadow-hover: 0 4px 20px rgba(0,0,0,0.25);
  
  --toast-bg: #a8c4e0;
  --toast-text: #0f1923;
}

/* Base Utility Animations */
.animate-spin { animation: spin 1s linear infinite; }
@keyframes spin { 100% { transform: rotate(360deg); } }

.fade-up { animation: fadeUp 0.4s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* Wizard Step Transition */
.fade-in-step { animation: fadeInStep 0.3s ease both; }
@keyframes fadeInStep { from { opacity: 0; transform: scale(0.98) translateY(5px); } to { opacity: 1; transform: none; } }

/* Toolbar & Header Controls */
.toolbar-btn { width: 36px; height: 36px; border-radius: 0.5rem; border: 1px solid var(--color-border); background: var(--color-surface); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background var(--tr), border-color var(--tr); color: var(--color-text); flex-shrink: 0; }
.toolbar-btn:hover { border-color: var(--color-accent); background: rgba(37, 99, 235, 0.06); }
[data-theme="dark"] .toolbar-btn:hover { background: rgba(96, 165, 250, 0.08); }

.select-wrap { position: relative; display: inline-flex; align-items: center; }
.toolbar-select { height: 36px; border-radius: 0.5rem; border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); padding: 0 2.1rem 0 2.2rem; font-size: 0.8125rem; font-weight: 500; font-family: var(--font-body); appearance: none; cursor: pointer; transition: border-color var(--tr), background var(--tr); }
.toolbar-select:hover, .toolbar-select:focus { border-color: var(--color-accent); outline: none; }
.sel-icon-l, .sel-icon-r { position: absolute; pointer-events: none; opacity: 0.65; color: var(--color-text); }
.sel-icon-l { left: 0.65rem; } .sel-icon-r { right: 0.65rem; }

/* Buttons */
.btn-primary { 
  background: #243b53; color: #fff; border-radius: var(--radius); 
  font-family: var(--font-body); font-weight: 600; font-size: 0.9375rem; 
  padding: 0.5rem 2rem; border: none; cursor: pointer; 
  transition: background var(--tr), transform var(--tr), box-shadow var(--tr); 
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; 
  text-align: center; min-height: 46px; line-height: 1.3;
}
.btn-primary:hover:not(:disabled) { background: #102a43; box-shadow: 0 4px 16px rgba(16,42,67,0.20); }
.btn-primary:active:not(:disabled) { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; background: var(--color-text); }
[data-theme="dark"] .btn-primary { background: #3b6ea5; }
[data-theme="dark"] .btn-primary:hover:not(:disabled) { background: #2d5a8e; }

.btn-secondary { 
  background: transparent; color: var(--color-text); border: 1px solid var(--color-border); 
  border-radius: var(--radius); font-family: var(--font-body); font-weight: 500; font-size: 0.875rem; 
  padding: 0.5rem 1.25rem; cursor: pointer; transition: background var(--tr), border-color var(--tr); 
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; 
  text-align: center; min-height: 46px; line-height: 1.3;
}
.btn-secondary:hover:not(:disabled) { background: rgba(37, 99, 235, 0.05); border-color: var(--color-accent); }
.btn-secondary:disabled { opacity: 0.45; cursor: not-allowed; }
[data-theme="dark"] .btn-secondary:hover:not(:disabled) { background: rgba(255,255,255,0.05); }

/* Privacy Badge */
.privacy-badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.35rem 0.8rem; border-radius: 9999px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.02em; background: rgba(37,99,235,0.08); color: #1e40af; border: 1px solid rgba(37,99,235,0.15); }
[data-theme="dark"] .privacy-badge { background: rgba(96,165,250,0.12); color: #93c5fd; border-color: rgba(96,165,250,0.2); }

/* Dropzone (Redactor/Gold Standard) */
.drop-zone { border: 3px dashed #2563eb; border-radius: var(--radius); cursor: pointer; transition: border-color var(--tr), background var(--tr); padding: 4rem 2rem; display: flex; flex-direction: column; align-items: center; gap: 1rem; text-align: center; position: relative; background: var(--color-surface); }
.drop-zone.drag-active { border-color: var(--color-accent); background: rgba(37, 99, 235, 0.08); }
[data-theme="dark"] .drop-zone { border-color: rgba(96, 165, 250, 0.45); border-width: 3px; }
[data-theme="dark"] .drop-zone.drag-active { background: rgba(96, 165, 250, 0.08); border-color: var(--color-accent); }

/* Workspace Structure */
.workspace { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow-card); display: flex; flex-direction: column; overflow: hidden; }
.workspace-header { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--color-border); background: rgba(37, 99, 235, 0.02); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.workspace-body { padding: 1.5rem; background: var(--color-bg); display: flex; flex-direction: column; align-items: center; }

/* Scan Report / Controls UI */
.scan-report { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow-card); }
.scan-header { display: flex; align-items: center; gap: 0.5rem; font-weight: 600; font-size: 0.9375rem; margin-bottom: 1rem; color: var(--color-accent); border-bottom: 1px solid var(--color-border); padding-bottom: 0.75rem; }

/* Toggle Switches */
.filename-toggle-wrap { display: inline-flex; align-items: center; gap: 0.625rem; cursor: pointer; user-select: none; }
.filename-toggle-input { position: absolute; opacity: 0; width: 0; height: 0; }

.filename-toggle-track {
  position: relative; width: 36px; height: 20px; border-radius: 9999px;
  background: var(--color-border); border: 1px solid var(--color-border);
  transition: background var(--tr), border-color var(--tr); flex-shrink: 0;
}
.filename-toggle-input:checked + .filename-toggle-track { background: var(--color-accent); border-color: var(--color-accent); }

.filename-toggle-thumb {
  position: absolute; top: 2px; left: 2px;
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: transform var(--tr);
}
.filename-toggle-input:checked + .filename-toggle-track .filename-toggle-thumb { transform: translateX(16px); }

/* Credit Input Field */
.credit-input { width: 100%; padding: 0 1rem; height: 46px; border-radius: 0.5rem; border: 1px solid var(--color-border); background: var(--color-bg); color: var(--color-text); font-family: var(--font-mono); font-size: 0.875rem; outline: none; transition: border-color 0.2s; letter-spacing: 0.5px; font-weight: 600; }
.credit-input:focus { border-color: var(--color-accent); box-shadow: 0 0 0 2px rgba(37,99,235,0.1); }
[data-theme="dark"] .credit-input:focus { box-shadow: 0 0 0 2px rgba(96,165,250,0.15); }

/* Modals */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15,25,35,0.7); backdrop-filter: blur(4px); z-index: 100; display: none; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s ease; }
.modal-overlay.active { display: flex; opacity: 1; }
.modal-box { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow-hover); display: flex; flex-direction: column; transform: translateY(20px); transition: transform 0.3s ease; max-height: 90vh; }
.modal-overlay.active .modal-box { transform: translateY(0); }
.modal-header { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; }
.modal-header.hidden { display: none !important; }
.modal-title { font-family: var(--font-display); font-size: 1.125rem; font-weight: 700; display: flex; align-items: center; gap: 0.5rem; color: var(--color-accent); }
.modal-close { background: transparent; border: none; color: var(--color-text); opacity: 0.5; cursor: pointer; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 0.375rem; transition: background 0.2s; }
.modal-close:hover { background: rgba(37, 99, 235, 0.05); opacity: 1; }
[data-theme="dark"] .modal-close:hover { background: rgba(255,255,255,0.05); }
.modal-body { padding: 1.5rem; overflow-y: auto; font-size: 0.9375rem; line-height: 1.6; opacity: 0.9; }

/* Progress Steps List */
.proc-step { display: flex; align-items: center; gap: 0.875rem; opacity: 0.4; transition: opacity 0.3s, transform 0.3s; margin-bottom: 0.75rem; }
.proc-step:last-child { margin-bottom: 0; }
.proc-step[data-status="active"] { opacity: 1; transform: translateX(5px); }
.proc-step[data-status="done"] { opacity: 0.8; }
.proc-step-icon { width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: all 0.2s; }
.proc-step[data-status="pending"] .proc-step-icon { border: 2px solid var(--color-border); }
.proc-step[data-status="active"] .proc-step-icon { border: 2px solid var(--color-accent); border-top-color: transparent; animation: spin 1s linear infinite; }
.proc-step[data-status="done"] .proc-step-icon { background: var(--color-accent); color: white; border: 2px solid var(--color-accent); }
.proc-step-text { font-size: 0.9rem; font-weight: 500; text-align: left; transition: color 0.2s; }
.proc-step[data-status="active"] .proc-step-text { font-weight: 700; color: var(--color-accent); }

/* Toasts */
.toast-hidden {
  position: fixed; bottom: 2rem; right: 2rem; transform: translateY(100px); 
  background: var(--toast-bg); color: var(--toast-text); padding: 0.75rem 1.5rem; 
  border-radius: 0.5rem; font-size: 0.875rem; font-weight: 600; box-shadow: 0 10px 25px rgba(0,0,0,0.2); 
  opacity: 0; transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); z-index: 9999; 
  display: flex; align-items: center; gap: 0.5rem; pointer-events: none; 
}
.toast-hidden.show { transform: translateY(0); opacity: 1; }

/* ── Verification Panel ────────────────────────────────────── */
.ba-col-header {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 0.65rem 1rem; border-radius: 0.375rem 0.375rem 0 0;
  border: 1px solid var(--color-border); border-bottom: none;
}
.ba-col-header--after { background: var(--color-success-bg); color: var(--color-success-text); border-color: var(--color-success-border); }

/* ==========================================================================
   BATCH MODE ADDITIONS
   ========================================================================== */

.batch-mode-toggle-wrap { display: inline-flex; align-items: center; gap: 0.625rem; cursor: pointer; user-select: none; }

.batch-file-list {
  border: 1px solid var(--color-border); border-radius: var(--radius);
  overflow: hidden; background: var(--color-surface);
  max-height: 380px; overflow-y: auto;
}

.batch-file-row {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.65rem 1rem; border-bottom: 1px solid var(--color-border);
  transition: background var(--tr);
}
.batch-file-row:last-child { border-bottom: none; }
.batch-file-row:hover { background: rgba(37,99,235,0.03); }
[data-theme="dark"] .batch-file-row:hover { background: rgba(96,165,250,0.04); }

.batch-file-icon {
  width: 28px; height: 28px; border-radius: 0.375rem;
  background: rgba(37,99,235,0.08); display: flex; align-items: center;
  justify-content: center; flex-shrink: 0; color: var(--color-accent);
}
[data-theme="dark"] .batch-file-icon { background: rgba(96,165,250,0.12); }

.batch-file-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 0.1rem; }
.batch-file-name { font-size: 0.875rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.batch-file-meta { font-size: 0.7rem; opacity: 0.5; font-weight: 500; }

.batch-status-badge {
  flex-shrink: 0; display: inline-flex; align-items: center;
  padding: 0.2rem 0.6rem; border-radius: 9999px;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.02em;
  white-space: nowrap; transition: background var(--tr), color var(--tr);
}
.batch-status--pending { background: var(--color-border); color: var(--color-text); opacity: 0.6; }
.batch-status--active { background: rgba(37,99,235,0.12); color: var(--color-accent); animation: pulse-badge 1.2s ease-in-out infinite; }
[data-theme="dark"] .batch-status--active { background: rgba(96,165,250,0.15); color: var(--color-accent); }
.batch-status--done { background: var(--color-success-bg); color: var(--color-success-text); border: 1px solid var(--color-success-border); }
.batch-status--error { background: var(--color-error-bg); color: var(--color-error-text); border: 1px solid var(--color-error-border); }

@keyframes pulse-badge { 0%, 100% { opacity: 1; } 50% { opacity: 0.55; } }