:root{--color-bg: #000000;--color-surface: #0d0d0d;--color-surface-2: #1a1a1a;--color-border: #2a2a2a;--color-border-strong: #404040;--color-text: #ffffff;--color-text-muted: #a0a0a0;--color-text-subtle: #707070;--color-accent: #ffffff;--color-danger: #e24b4a;--color-success: #5dcaa5;--color-warning: #efbb27;--radius-sm: 6px;--radius: 10px;--radius-lg: 14px;--shadow-card: 0 1px 3px rgba(255, 255, 255, .04);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.5}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,button{font-family:inherit;font-size:inherit}a{color:inherit;text-decoration:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:var(--radius);font-weight:500;font-size:15px;transition:all .15s ease;border:1px solid transparent}.btn-primary{background:var(--color-text);color:var(--color-bg)}.btn-primary:hover:not(:disabled){background:#e8e8e8}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--color-text-muted);border-color:var(--color-border)}.btn-ghost:hover{border-color:var(--color-border-strong);color:var(--color-text)}.input{width:100%;padding:12px 14px;background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text);font-size:15px;transition:border-color .15s,background .15s}.input:focus{outline:none;border-color:var(--color-text);background:var(--color-surface)}.input::placeholder{color:var(--color-text-subtle)}.label{display:block;font-size:13px;color:var(--color-text-muted);margin-bottom:8px;font-weight:500;letter-spacing:.02em}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px}.alert{padding:12px 16px;border-radius:var(--radius);font-size:14px;margin-bottom:16px;display:flex;align-items:center;gap:10px}.alert-error{background:#e24b4a1a;border:1px solid rgba(226,75,74,.3);color:#ff8585}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--color-border-strong)}