:root{--color-primary:#1f2937;--color-primary-light:#374151;--color-accent:#c9a227;--color-accent-hover:#b8922a;--color-success:#10b981;--color-danger:#ef4444;--color-warning:#f59e0b;--color-info:#3b82f6;--color-bg:#f9fafb;--color-surface:#ffffff;--color-border:#e5e7eb;--color-text:#111827;--color-text-muted:#6b7280;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--radius-sm:0.25rem;--radius-md:0.375rem;--radius-lg:0.5rem;--radius-xl:0.75rem}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5;color:var(--color-text);background-color:var(--color-bg)}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}.text-muted{color:var(--color-text-muted)}.text-success{color:var(--color-success)}.text-danger{color:var(--color-danger)}.text-warning{color:var(--color-warning)}.text-center{text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-size:.875rem;font-weight:500;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all .15s ease}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--color-accent);color:white}.btn-primary:hover:not(:disabled){background-color:var(--color-accent-hover)}.btn-secondary{background-color:var(--color-primary);color:white}.btn-secondary:hover:not(:disabled){background-color:var(--color-primary-light)}.btn-success{background-color:var(--color-success);color:white}.btn-success:hover:not(:disabled){background-color:#059669}.btn-danger{background-color:var(--color-danger);color:white}.btn-danger:hover:not(:disabled){background-color:#dc2626}.btn-outline{background-color:transparent;border-color:var(--color-border);color:var(--color-text)}.btn-outline:hover:not(:disabled){background-color:var(--color-bg)}.btn-lg{padding:var(--space-4) var(--space-8);font-size:1rem}.card{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6)}.form-group{margin-bottom:var(--space-4)}.form-label{display:block;margin-bottom:var(--space-1);font-size:.875rem;font-weight:500;color:var(--color-text)}.form-input,.form-select,.form-textarea{width:100%;padding:var(--space-3) var(--space-4);font-size:.875rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-surface);transition:border-color .15s ease,box-shadow .15s ease}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px rgba(201,162,39,.15)}.form-input:disabled,.form-select:disabled,.form-textarea:disabled{background-color:var(--color-bg);color:var(--color-text-muted);cursor:not-allowed}.form-error{color:var(--color-danger)}.form-error,.form-hint{font-size:.75rem;margin-top:var(--space-1)}.form-hint{color:var(--color-text-muted)}.file-upload{border:2px dashed var(--color-border);border-radius:var(--radius-lg);padding:var(--space-8);text-align:center;cursor:pointer;transition:all .15s ease}.file-upload:hover{border-color:var(--color-accent);background-color:rgba(201,162,39,.05)}.file-upload.drag-over{border-color:var(--color-accent);background-color:rgba(201,162,39,.1)}.file-upload.has-file{border-style:solid;border-color:var(--color-success);background-color:rgba(16,185,129,.05)}.stepper{display:flex;justify-content:space-between;margin-bottom:var(--space-8)}.stepper-step{display:flex;flex-direction:column;align-items:center;flex:1 1;position:relative}.stepper-step:after{content:"";position:absolute;top:16px;left:50%;width:100%;height:2px;background-color:var(--color-border);z-index:0}.stepper-step:last-child:after{display:none}.stepper-circle{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.875rem;background-color:var(--color-border);color:var(--color-text-muted);position:relative;z-index:1;transition:all .2s ease}.stepper-step.active .stepper-circle{background-color:var(--color-accent);color:white}.stepper-step.completed .stepper-circle{background-color:var(--color-success);color:white}.stepper-step.completed:after{background-color:var(--color-success)}.stepper-label{margin-top:var(--space-2);font-size:.75rem;color:var(--color-text-muted);text-align:center}.stepper-step.active .stepper-label{color:var(--color-text);font-weight:500}.signature-pad{border:2px solid var(--color-border);border-radius:var(--radius-md);background-color:white;cursor:crosshair}.signature-pad.has-signature{border-color:var(--color-success)}.validation-badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-2);font-size:.75rem;font-weight:500;border-radius:var(--radius-sm)}.validation-badge.success{background-color:#d1fae5;color:#065f46}.validation-badge.warning{background-color:#fef3c7;color:#92400e}.validation-badge.error{background-color:#fee2e2;color:#991b1b}.validation-badge.pending{background-color:#e0e7ff;color:#3730a3}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.split-pane{display:flex;height:100%;overflow:hidden}.split-pane-left{border-right:1px solid var(--color-border)}.split-pane-left,.split-pane-right{flex:1 1;overflow-y:auto;padding:var(--space-6)}.split-pane-right{background-color:#525659}.a4-preview-container{display:flex;flex-direction:column;align-items:center;gap:20px}.a4-preview-container>div{box-shadow:0 4px 12px rgba(0,0,0,.3),0 0 0 1px rgba(0,0,0,.1)}.checkbox-container{display:flex;align-items:flex-start;gap:var(--space-3);cursor:pointer}.checkbox-container input[type=checkbox]{width:18px;height:18px;margin-top:2px;accent-color:var(--color-accent)}.modal-overlay{position:fixed;inset:0;background-color:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background-color:var(--color-surface);border-radius:var(--radius-xl);padding:var(--space-6);max-width:500px;width:90%;max-height:90vh;overflow-y:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-4)}.modal-title{font-size:1.125rem;font-weight:600}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--color-text-muted);line-height:1}.modal-close:hover{color:var(--color-text)}.alert{padding:var(--space-4);border-radius:var(--radius-md);margin-bottom:var(--space-4)}.alert-success{background-color:#d1fae5;border:1px solid #10b981;color:#065f46}.alert-error{background-color:#fee2e2;border:1px solid #ef4444;color:#991b1b}.alert-warning{background-color:#fef3c7;border:1px solid #f59e0b;color:#92400e}.alert-info{background-color:#dbeafe;border:1px solid #3b82f6;color:#1e40af}