:root{--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--base-spacing: 8px;--radius-xs: 4px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-2xl: 32px;--radius-full: 9999px;--ease-spring: cubic-bezier(.175, .885, .32, 1.275);--ease-out: cubic-bezier(.25, .8, .25, 1);--ease-in-out: cubic-bezier(.4, 0, .2, 1);--duration-fast: .15s;--duration-normal: .25s;--duration-slow: .4s;--min-touch-target: 44px;--bg-app: #f8fafc;--bg-surface: #ffffff;--bg-surface-elevated: #ffffff;--bg-surface-glass: rgba(255, 255, 255, .85);--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #94a3b8;--text-inverse: #ffffff;--border-subtle: #f1f5f9;--border-base: #e2e8f0;--border-strong: #cbd5e1;--accent-base: #2563eb;--accent-hover: #1d4ed8;--accent-subtle: #eff6ff;--accent-gradient: linear-gradient(135deg, #2563eb 0%, #4338ca 100%);--accent-gradient-hover: linear-gradient(135deg, #1d4ed8 0%, #3730a3 100%);--color-success: #10b981;--color-success-bg: #d1fae5;--color-warning: #f59e0b;--color-warning-bg: #fef3c7;--color-danger: #ef4444;--color-danger-bg: #fee2e2;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .05), 0 4px 6px -4px rgba(0, 0, 0, .05);--shadow-float: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 8px 10px -6px rgba(0, 0, 0, .03);color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg-app: #09090b;--bg-surface: #18181b;--bg-surface-elevated: #27272a;--bg-surface-glass: rgba(24, 24, 27, .85);--text-primary: #fafafa;--text-secondary: #a1a1aa;--text-tertiary: #71717a;--text-inverse: #09090b;--border-subtle: #27272a;--border-base: #3f3f46;--border-strong: #52525b;--accent-base: #3b82f6;--accent-hover: #60a5fa;--accent-subtle: rgba(59, 130, 246, .15);--accent-gradient: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);--accent-gradient-hover: linear-gradient(135deg, #60a5fa 0%, #818cf8 100%);--color-success: #10b981;--color-success-bg: rgba(16, 185, 129, .15);--color-warning: #f59e0b;--color-warning-bg: rgba(245, 158, 11, .15);--color-danger: #ef4444;--color-danger-bg: rgba(239, 68, 68, .15);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 12px 24px rgba(0, 0, 0, .5);--shadow-float: 0 24px 48px rgba(0, 0, 0, .6), 0 0 24px rgba(59, 130, 246, .1);color-scheme:dark}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background-color:var(--bg-app);color:var(--text-primary);line-height:1.6;min-height:100dvh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;transition:background-color var(--duration-normal) var(--ease-out),color var(--duration-normal) var(--ease-out)}body:before{content:"";position:fixed;inset:0;background:radial-gradient(circle at 15% 50%,rgba(59,130,246,.08),transparent 40%),radial-gradient(circle at 85% 30%,rgba(99,102,241,.08),transparent 40%);pointer-events:none;z-index:0}#root{position:relative;z-index:1;min-height:100dvh;display:flex;flex-direction:column}a{color:var(--accent-base);text-decoration:none;transition:color var(--duration-fast)}a:hover{color:var(--accent-hover)}img,svg,video,canvas{max-width:100%;display:block}*:focus-visible{outline:2px solid var(--accent-base);outline-offset:2px;border-radius:min(var(--radius-sm),inherit)}.container{width:100%;max-width:640px;margin:0 auto;padding:0 16px}.glass-card{background:var(--bg-surface-glass);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--border-base);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);transition:box-shadow var(--duration-normal),transform var(--duration-normal),border-color var(--duration-normal)}.section-title{font-size:.875rem;font-weight:700;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:var(--min-touch-target);padding:0 20px;border:none;border-radius:var(--radius-lg);font-family:inherit;font-size:.9375rem;font-weight:600;cursor:pointer;transition:all var(--duration-fast) var(--ease-out);-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;position:relative}.btn:active{transform:scale(.96)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--text-primary);color:var(--bg-surface);box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md);opacity:.9}.btn-gradient{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-md)}.btn-gradient:hover:not(:disabled){background:var(--accent-gradient-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-strong);box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled){background:var(--bg-surface-elevated);border-color:var(--text-tertiary)}.btn-success{background:var(--color-success);color:#fff}.btn-outline{background:transparent;color:var(--text-secondary);border:1px solid var(--border-base)}.btn-outline:hover:not(:disabled){background:var(--bg-surface-elevated);color:var(--text-primary)}.btn-lg{height:52px;padding:0 28px;font-size:1rem;border-radius:var(--radius-xl)}.btn-full{width:100%}.form-group{margin-bottom:24px}.form-label{display:block;font-size:.875rem;font-weight:500;color:var(--text-primary);margin-bottom:8px}.form-input,.form-select{width:100%;height:var(--min-touch-target);padding:0 16px;background:var(--bg-surface);border:1px solid var(--border-base);border-radius:var(--radius-md);color:var(--text-primary);font-family:inherit;font-size:1rem;transition:all var(--duration-fast) var(--ease-out);box-shadow:var(--shadow-sm);appearance:none}@media screen and (max-width:768px){.form-input,.form-select{font-size:16px}}.form-input:hover,.form-select:hover{border-color:var(--border-strong)}.form-input:focus,.form-select:focus{outline:none;border-color:var(--accent-base);box-shadow:0 0 0 3px var(--accent-subtle);background:var(--bg-surface-elevated)}.form-input::placeholder{color:var(--text-tertiary)}.form-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:40px}.form-select option{color:var(--text-primary);background:var(--bg-surface)}.form-error{font-size:.8125rem;color:var(--color-danger);margin-top:6px;display:flex;align-items:center;gap:4px}.toggle-group{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-surface);border:1px solid var(--border-base);border-radius:var(--radius-md);margin-top:8px}.toggle{position:relative;width:44px;height:24px;flex-shrink:0;display:inline-block}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;inset:0;background-color:var(--border-strong);transition:var(--duration-fast);border-radius:var(--radius-full)}.toggle-slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:#fff;transition:var(--duration-fast) var(--ease-spring);border-radius:50%;box-shadow:var(--shadow-sm)}input:checked+.toggle-slider{background-color:var(--accent-base)}input:focus-visible+.toggle-slider{outline:2px solid var(--accent-base);outline-offset:2px}input:checked+.toggle-slider:before{transform:translate(20px)}.toggle-label{font-size:.9375rem;font-weight:500;color:var(--text-primary);-webkit-user-select:none;user-select:none}.app-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--bg-surface-glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-base);position:sticky;top:0;z-index:50}.app-logo{display:flex;align-items:center;gap:12px}.app-logo-icon{width:36px;height:36px;background:var(--accent-gradient);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 12px #3b82f64d}.app-logo-text{font-size:1.125rem;font-weight:700;letter-spacing:-.02em;color:var(--text-primary)}.app-logo-text span{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stepper{display:flex;align-items:center;justify-content:center;padding:24px 20px 32px;gap:8px}.stepper-step{display:flex;align-items:center;gap:8px}.stepper-pill{height:8px;width:32px;border-radius:var(--radius-full);background:var(--border-strong);transition:all var(--duration-normal) var(--ease-spring)}.stepper-pill.active{width:48px;background:var(--text-primary)}.stepper-pill.completed{background:var(--accent-base)}.stepper-label{font-size:.75rem;color:var(--text-tertiary);font-weight:600;text-transform:uppercase;letter-spacing:.05em;display:none}@media(min-width:600px){.stepper-label{display:block}}.stepper-step.active .stepper-label,.stepper-step.completed .stepper-label{color:var(--text-primary)}.home-page{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;padding:40px 24px;text-align:center}.home-hero{max-width:500px;width:100%}.home-icon-bg{width:88px;height:88px;margin:0 auto 32px;background:var(--bg-surface);border:1px solid var(--border-base);border-radius:var(--radius-2xl);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-float);color:var(--accent-base);position:relative}.home-icon-bg:before{content:"";position:absolute;inset:-1px;border-radius:inherit;background:var(--accent-gradient);z-index:-1;opacity:0;transition:opacity var(--duration-normal)}.home-icon-bg:hover:before{opacity:1}.home-title{font-size:clamp(2rem,5vw,2.5rem);font-weight:800;letter-spacing:-.04em;line-height:1.1;margin-bottom:16px;color:var(--text-primary)}.home-subtitle{color:var(--text-secondary);font-size:1.125rem;line-height:1.6;margin-bottom:40px}.form-page,.upload-page{padding:0 0 60px;flex:1;display:flex;flex-direction:column;animation:fadeIn var(--duration-normal) var(--ease-out)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.form-card{padding:24px 20px;width:100%}@media(min-width:640px){.container{padding:0 24px}.form-card{padding:32px}}.form-card-header{margin-bottom:32px}.form-card-title{font-size:1.5rem;font-weight:700;letter-spacing:-.02em;margin-bottom:8px;color:var(--text-primary)}.form-card-subtitle{font-size:.9375rem;color:var(--text-secondary)}.form-divider{height:1px;background:var(--border-base);margin:32px 0}.form-actions{display:flex;gap:12px;margin-top:32px}.signature-area{background:var(--bg-surface);border:1px solid var(--border-strong);border-radius:var(--radius-md);margin-bottom:8px;touch-action:none;cursor:crosshair}.signature-actions{display:flex;justify-content:space-between;align-items:center}.signature-hint{font-size:.8125rem;color:var(--text-tertiary)}.signature-clear{background:none;border:none;color:var(--accent-base);font-size:.875rem;font-weight:500;cursor:pointer}.signature-clear:hover{text-decoration:underline}.dropzone-area{border:2px dashed var(--border-strong);border-radius:var(--radius-xl);padding:60px 24px;text-align:center;cursor:pointer;background:var(--bg-surface);transition:all var(--duration-normal) var(--ease-out)}.dropzone-area:hover,.dropzone-area.active{border-color:var(--accent-base);background:var(--accent-subtle)}.dropzone-icon{display:flex;justify-content:center;margin-bottom:16px;color:var(--text-tertiary);transition:color var(--duration-normal)}.dropzone-area:hover .dropzone-icon,.dropzone-area.active .dropzone-icon{color:var(--accent-base)}.dropzone-text{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:8px}.dropzone-hint{font-size:.875rem;color:var(--text-secondary)}.upload-header-actions{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}.photo-counter{display:flex;align-items:center;gap:12px}.photo-counter-text{font-size:1rem;font-weight:500;color:var(--text-secondary)}.photo-counter-text strong{color:var(--text-primary);font-size:1.25rem;font-weight:700}.photo-counter-badge{padding:4px 12px;border-radius:var(--radius-full);font-size:.8125rem;font-weight:600;letter-spacing:.02em}.photo-counter-badge.ok{background:var(--color-success-bg);color:var(--color-success)}.photo-counter-badge.warn{background:var(--color-warning-bg);color:var(--color-warning)}.mode-toggle{display:flex;background:var(--bg-surface-elevated);padding:4px;border-radius:var(--radius-full);border:1px solid var(--border-base)}.mode-toggle-label{padding:6px 16px;border-radius:var(--radius-full);font-size:.8125rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all var(--duration-fast)}.mode-toggle-label:hover{color:var(--text-primary)}.mode-toggle-label.active{background:var(--bg-surface);color:var(--text-primary);box-shadow:var(--shadow-sm)}.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:16px;margin-top:24px}@media(min-width:480px){.photo-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}}.photo-thumb{position:relative;aspect-ratio:1;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-surface);border:1px solid var(--border-base);box-shadow:var(--shadow-sm)}.photo-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--duration-slow)}.photo-thumb:hover img{transform:scale(1.05)}.photo-thumb-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(0,0,0,.4) 0%,transparent 50%,rgba(0,0,0,.6) 100%);display:flex;flex-direction:column;justify-content:space-between;padding:8px;opacity:0;transition:opacity var(--duration-fast)}.photo-thumb:hover .photo-thumb-overlay{opacity:1}.photo-size{color:#fff;font-size:.75rem;font-weight:500;text-shadow:0 1px 2px rgba(0,0,0,.5)}.photo-remove-btn{align-self:flex-end;width:28px;height:28px;border-radius:50%;border:none;background:var(--color-danger);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transform:scale(.8);transition:transform var(--duration-fast) var(--ease-spring)}.photo-thumb:hover .photo-remove-btn{transform:scale(1)}.photo-remove-btn:hover{background:#dc2626}.upload-progress-bar{width:100%;height:6px;background:var(--bg-surface-elevated);border-radius:var(--radius-full);margin-top:16px;overflow:hidden}.upload-progress-fill{height:100%;background:var(--accent-base);border-radius:var(--radius-full);transition:width .3s ease-out}.download-page{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 20px}.download-card{max-width:440px;width:100%;padding:48px 32px;text-align:center;animation:slideUp var(--duration-normal) var(--ease-out)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.download-icon{width:80px;height:80px;margin:0 auto 24px;background:var(--color-success-bg);color:var(--color-success);border-radius:50%;display:flex;align-items:center;justify-content:center;animation:popIn .6s var(--ease-spring)}@keyframes popIn{0%{transform:scale(.5);opacity:0}70%{transform:scale(1.1)}to{transform:scale(1);opacity:1}}.download-title{font-size:1.5rem;font-weight:700;margin-bottom:12px;color:var(--text-primary)}.download-subtitle{color:var(--text-secondary);font-size:1rem;margin-bottom:32px}.overlay-container{position:fixed;inset:0;background:var(--bg-surface-glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:100;display:flex;align-items:center;justify-content:center;animation:fadeIn var(--duration-fast)}.overlay-content{text-align:center;padding:32px;max-width:320px}.spinner{width:48px;height:48px;margin:0 auto 24px;border:3px solid var(--border-base);border-top-color:var(--accent-base);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.overlay-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:8px}.overlay-subtitle{font-size:.9375rem;color:var(--text-secondary)}.toast-container{position:fixed;bottom:24px;left:50%;transform:translate(-50%);z-index:1000;pointer-events:none}.toast{background:var(--text-primary);color:var(--bg-surface);padding:12px 24px;border-radius:var(--radius-full);font-size:.9375rem;font-weight:500;box-shadow:var(--shadow-float);display:flex;align-items:center;gap:8px;animation:toastSlide .4s var(--ease-spring)}.toast.success{background:var(--color-success);color:#fff}.toast.error{background:var(--color-danger);color:#fff}.toast.warning{background:var(--color-warning);color:#000}@keyframes toastSlide{0%{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}