*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #0a0a0c;--color-surface: #111115;--color-surface-2: #18181e;--color-surface-3: #1f1f28;--color-border: #2a2a35;--color-border-focus: #e8c84a;--color-text: #f0f0f4;--color-text-muted: #8888a0;--color-text-subtle: #555565;--color-accent: #e8c84a;--color-accent-hover: #f0d660;--color-accent-dim: rgba(232, 200, 74, .15);--color-error: #ff5c5c;--color-error-bg: rgba(255, 92, 92, .08);--color-success: #4ade80;--color-success-bg: rgba(74, 222, 128, .08);--color-cancel: #ff7043;--font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-card: 0 4px 24px rgba(0,0,0,.5);--shadow-focus: 0 0 0 3px rgba(232, 200, 74, .3);--transition: .18s ease}html{scroll-behavior:smooth}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-subtle)}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100dvh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-container{display:flex;flex-direction:column;min-height:100dvh}.app-main{flex:1}.app-header{border-bottom:1px solid var(--color-border);background:#0a0a0cf2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);position:sticky;top:0;z-index:100}.header-inner{max-width:900px;margin:0 auto;padding:var(--space-md) var(--space-lg);display:flex;align-items:center;justify-content:space-between;gap:var(--space-md)}.header-logo{display:flex;align-items:center;gap:var(--space-sm)}.logo-text{font-size:1.1rem;font-weight:800;letter-spacing:.12em;color:var(--color-accent);text-transform:uppercase}.logo-divider{color:var(--color-border);font-weight:300;font-size:1.1rem}.logo-subtitle{font-size:.85rem;color:var(--color-text-muted);font-weight:400;letter-spacing:.04em}.header-nav{display:flex;gap:var(--space-md)}.nav-link{color:var(--color-text-muted);text-decoration:none;font-size:.9rem;transition:color var(--transition)}.nav-link:hover{color:var(--color-accent)}.hero-section{padding:var(--space-2xl) var(--space-lg) var(--space-xl);text-align:center;background:radial-gradient(ellipse at 50% -10%,rgba(232,200,74,.07) 0%,transparent 60%)}.hero-inner{max-width:620px;margin:0 auto}.hero-title{font-size:clamp(2rem,6vw,3.2rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;color:var(--color-text);margin-bottom:var(--space-md)}.hero-title span{color:var(--color-accent)}.hero-subtitle{font-size:clamp(.95rem,2vw,1.1rem);color:var(--color-text-muted);max-width:480px;margin:0 auto;line-height:1.7}.form-section{padding:0 var(--space-lg) var(--space-2xl)}.form-container{max-width:700px;margin:0 auto}.upload-form{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl) var(--space-xl);box-shadow:var(--shadow-card)}.form-section-title{font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--color-text-subtle);margin-bottom:var(--space-lg);padding-bottom:var(--space-sm);border-bottom:1px solid var(--color-border)}.form-row{margin-bottom:var(--space-lg)}.form-row.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg)}.form-field{display:flex;flex-direction:column;gap:var(--space-xs)}.field-label{font-size:.85rem;font-weight:500;color:var(--color-text-muted);letter-spacing:.01em}.required{color:var(--color-accent);margin-left:2px}.field-input{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-family:var(--font-sans);font-size:.95rem;padding:.65rem .9rem;transition:border-color var(--transition),box-shadow var(--transition);outline:none;width:100%}.field-input::placeholder{color:var(--color-text-subtle)}.field-input:focus{border-color:var(--color-border-focus);box-shadow:var(--shadow-focus)}.field-input.has-error{border-color:var(--color-error)}.field-input:disabled{opacity:.5;cursor:not-allowed}.field-error{font-size:.78rem;color:var(--color-error);display:flex;align-items:center;gap:var(--space-xs)}.drop-zone{border:2px dashed var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-2);padding:var(--space-2xl) var(--space-xl);text-align:center;cursor:pointer;transition:border-color var(--transition),background var(--transition);-webkit-user-select:none;user-select:none;outline:none}.drop-zone:hover,.drop-zone:focus-visible{border-color:var(--color-accent);background:var(--color-accent-dim)}.drop-zone.dragging{border-color:var(--color-accent);background:var(--color-accent-dim);transform:scale(1.01)}.drop-zone.has-error{border-color:var(--color-error)}.drop-zone-icon{font-size:2.5rem;margin-bottom:var(--space-md);display:block;color:var(--color-text-subtle)}.drop-zone-text{font-size:1rem;color:var(--color-text-muted);margin-bottom:var(--space-xs)}.drop-zone-link{color:var(--color-accent);font-weight:500;text-decoration:underline;text-underline-offset:3px}.drop-zone-hint{font-size:.8rem;color:var(--color-text-subtle)}.file-selected{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg)}.file-info{display:flex;align-items:center;gap:var(--space-md);min-width:0}.file-icon{font-size:1.8rem;flex-shrink:0}.file-meta{display:flex;flex-direction:column;min-width:0}.file-name{font-size:.95rem;font-weight:500;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:36ch}.file-size{font-size:.8rem;color:var(--color-text-subtle)}.file-remove{background:none;border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-subtle);cursor:pointer;font-size:.85rem;padding:4px 8px;flex-shrink:0;transition:color var(--transition),border-color var(--transition)}.file-remove:hover{color:var(--color-error);border-color:var(--color-error)}.upload-progress-section{margin-top:var(--space-xl);display:flex;flex-direction:column;gap:var(--space-lg)}.progress-wrapper{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-lg)}.progress-resuming{font-size:.82rem;color:var(--color-accent);margin-bottom:var(--space-sm);display:flex;align-items:center;gap:var(--space-xs)}.resuming-icon{font-size:1rem;animation:spin 1.5s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-sm)}.progress-label{font-size:.88rem;color:var(--color-text-muted)}.progress-percent{font-size:.88rem;font-weight:700;color:var(--color-accent);font-family:var(--font-mono)}.progress-track{width:100%;height:6px;background:var(--color-surface-3);border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--color-accent) 0%,var(--color-accent-hover) 100%);border-radius:999px;transition:width .3s ease;will-change:width}.progress-details{display:flex;justify-content:space-between;margin-top:var(--space-sm);font-size:.78rem;color:var(--color-text-subtle);font-family:var(--font-mono)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:.75rem 1.75rem;border-radius:var(--radius-md);font-family:var(--font-sans);font-size:.95rem;font-weight:600;cursor:pointer;border:none;transition:background var(--transition),transform var(--transition),opacity var(--transition);white-space:nowrap;text-decoration:none}.btn:active{transform:scale(.98)}.btn-primary{background:var(--color-accent);color:#000;width:100%;padding:.9rem 2rem;font-size:1rem;letter-spacing:.02em}.btn-primary:hover:not(:disabled){background:var(--color-accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--color-surface-3);color:var(--color-text-muted);border:1px solid var(--color-border)}.btn-secondary:hover{color:var(--color-text);border-color:var(--color-accent)}.btn-cancel{background:transparent;color:var(--color-cancel);border:1px solid var(--color-cancel);padding:.6rem 1.25rem;align-self:center;font-size:.88rem}.btn-cancel:hover{background:#ff70431a}.form-actions{margin-top:var(--space-xl);display:flex;flex-direction:column;gap:var(--space-md)}.form-disclaimer{font-size:.78rem;color:var(--color-text-subtle);text-align:center;line-height:1.5}.upload-error{margin-top:var(--space-lg);background:var(--color-error-bg);border:1px solid rgba(255,92,92,.3);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);color:var(--color-error);font-size:.9rem;display:flex;align-items:flex-start;gap:var(--space-sm)}.error-icon{font-size:1.1rem;flex-shrink:0}.success-screen{text-align:center;padding:var(--space-2xl) var(--space-xl);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);display:flex;flex-direction:column;align-items:center;gap:var(--space-lg)}.success-icon{width:72px;height:72px;background:var(--color-success-bg);border:2px solid var(--color-success);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;color:var(--color-success)}.success-title{font-size:1.8rem;font-weight:800;letter-spacing:-.02em;color:var(--color-text)}.success-message{max-width:460px;color:var(--color-text-muted);font-size:1rem;line-height:1.7}.app-footer{border-top:1px solid var(--color-border);padding:var(--space-xl) var(--space-lg);margin-top:auto}.footer-inner{max-width:900px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);flex-wrap:wrap;font-size:.82rem;color:var(--color-text-subtle)}.footer-link{color:var(--color-text-muted);text-decoration:none;transition:color var(--transition)}.footer-link:hover{color:var(--color-accent)}@media (max-width: 640px){.header-inner{padding:var(--space-sm) var(--space-md)}.logo-subtitle{display:none}.hero-section{padding:var(--space-xl) var(--space-md) var(--space-lg)}.form-section{padding:0 var(--space-sm) var(--space-xl)}.upload-form{padding:var(--space-lg) var(--space-md);border-radius:var(--radius-md)}.form-row.two-cols{grid-template-columns:1fr;gap:var(--space-md)}.drop-zone{padding:var(--space-xl) var(--space-md)}.file-name{max-width:22ch}.footer-inner{flex-direction:column;text-align:center;gap:var(--space-sm)}}@media (max-width: 380px){.hero-title{font-size:1.6rem}}