/* 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 (SAU 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; 
  --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);
  --color-redact: #111827;
  
  --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; 
  --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);
  --color-redact: #000000;
  
  --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; } }

/* 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); width: 130px; }
.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: 0.75rem 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; }
.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: 0.625rem 1.25rem; cursor: pointer; transition: background var(--tr), border-color var(--tr); display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; }
.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); }

.btn-confirm { background: #d97706; color: #fff; border: none; border-radius: var(--radius); font-family: var(--font-body); font-weight: 600; font-size: 0.9375rem; padding: 0.75rem 1.5rem; cursor: pointer; transition: background var(--tr), transform var(--tr); display: inline-flex; align-items: center; gap: 0.5rem; }
.btn-confirm:hover { background: #b45309; }
.btn-confirm:active { transform: scale(0.98); }
[data-theme="dark"] .btn-confirm { background: #f59e0b; color: #111827; }
[data-theme="dark"] .btn-confirm:hover { background: #d97706; }

.btn-payload { background: transparent; color: var(--color-text); border: 1px dashed var(--color-border); border-radius: var(--radius); font-size: 0.75rem; font-weight: 500; padding: 0.4rem 0.5rem; cursor: pointer; transition: all 0.2s; margin-bottom: 0.5rem; display: flex; justify-content: center; align-items: center; gap: 0.4rem; opacity: 0.8; }
.btn-payload:hover { border-style: solid; border-color: var(--color-accent); color: var(--color-accent); opacity: 1; background: rgba(37,99,235,0.05); }
[data-theme="dark"] .btn-payload:hover { background: rgba(96,165,250,0.05); }

/* Dropzone */
.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: 2px; }
[data-theme="dark"] .drop-zone.drag-active { background: rgba(96, 165, 250, 0.08); border-color: var(--color-accent); }

/* Workspace & Toolbar */
.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: 1rem 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; }
.workspace-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--color-border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }

.pdf-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 0.75rem; margin-bottom: 1rem; background: var(--color-surface); padding: 0.5rem 1rem; border-radius: 99px; border: 1px solid var(--color-border); box-shadow: 0 2px 8px rgba(0,0,0,0.04); position: sticky; top: 80px; z-index: 20; }
@media (max-width: 640px) { .pdf-toolbar { border-radius: 0.75rem; } }

.pdf-pagination { display: flex; align-items: center; gap: 0.5rem; }
.page-btn { background: transparent; border: none; color: var(--color-text); cursor: pointer; display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; transition: background 0.2s; }
.page-btn:hover:not(:disabled) { background: rgba(37, 99, 235, 0.1); color: var(--color-accent); }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.page-info { font-size: 0.875rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.toolbar-divider { width: 1px; height: 20px; background: var(--color-border); display: none; }
@media (min-width: 640px) { .toolbar-divider { display: block; } }

/* Pan/Draw Mode Toggle */
.mode-toggle { display: flex; align-items: center; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 99px; padding: 2px; }
.mode-btn { display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.4rem 0.8rem; font-size: 0.75rem; font-weight: 600; font-family: var(--font-body); border: none; background: transparent; color: var(--color-text); cursor: pointer; transition: all 0.2s; opacity: 0.6; border-radius: 99px; }
.mode-btn.active { background: var(--color-surface); opacity: 1; box-shadow: 0 1px 3px rgba(0,0,0,0.1); color: var(--color-accent); }
[data-theme="dark"] .mode-btn.active { background: rgba(96, 165, 250, 0.15); box-shadow: none; }

/* Custom Checkbox */
.custom-checkbox { display: inline-flex; align-items: center; gap: 0.4rem; cursor: pointer; font-size: 0.75rem; font-weight: 600; opacity: 0.85; background: var(--color-bg); border: 1px solid var(--color-border); padding: 0.35rem 0.6rem; border-radius: 99px; transition: all 0.2s; }
.custom-checkbox:hover { opacity: 1; border-color: var(--color-accent); }
.checkbox-box { width: 14px; height: 14px; border: 2px solid var(--color-border); border-radius: 3px; display: flex; align-items: center; justify-content: center; transition: all 0.2s; background: var(--color-surface); flex-shrink: 0; }
.custom-checkbox input:checked + .checkbox-box { background: var(--color-accent); border-color: var(--color-accent); }
.checkbox-icon { color: white; opacity: 0; transform: scale(0.5); transition: all 0.2s; }
.custom-checkbox input:checked + .checkbox-box .checkbox-icon { opacity: 1; transform: scale(1); }
[data-theme="dark"] .custom-checkbox { background: rgba(0,0,0,0.2); }

/* Credit Input Validation Field */
.credit-input { width: 100%; padding: 0.75rem 1rem; 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); }

/* PDF Rendering & Redaction Overlays */
.pdf-container { position: relative; display: inline-block; max-width: 100%; box-shadow: 0 4px 20px rgba(0,0,0,0.1); border-radius: 4px; overflow: hidden; user-select: none; background: white; touch-action: none; }
[data-theme="dark"] .pdf-container { box-shadow: 0 4px 20px rgba(0,0,0,0.5); }
.draw-box { position: absolute; background: var(--color-redact); display: none; pointer-events: none; z-index: 10; opacity: 0.8; border: 1px solid rgba(255,255,255,0.5); }
.redacted-box { position: absolute; background: var(--color-redact); z-index: 5; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.15); }
.redacted-box::after { content: attr(data-label); color: rgba(255,255,255,0.5); font-size: 0.6rem; font-weight: 700; letter-spacing: 0.1em; pointer-events: none; text-align: center; padding: 2px; }
.redacted-box.global-mask { border: 1px solid rgba(245, 158, 11, 0.4); background: repeating-linear-gradient(45deg, var(--color-redact), var(--color-redact) 10px, rgba(17,24,39,0.95) 10px, rgba(17,24,39,0.95) 20px); }
[data-theme="dark"] .redacted-box.global-mask { background: repeating-linear-gradient(45deg, var(--color-redact), var(--color-redact) 10px, rgba(20,20,20,0.95) 10px, rgba(20,20,20,0.95) 20px); }
.redacted-box.global-mask::after { color: rgba(245, 158, 11, 0.65); }

/* 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-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(16, 42, 67, 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; }

/* Redactor Specific 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; }