:root{--orange: #FF6B2C;--orange-dark: #E55A1F;--cyan: #00D4FF;--bg: #000000;--bg-secondary: #0a0a0a;--bg-card: #0d0d0d;--bg-input: #111111;--border: #1a1a1a;--border-hover: #333333;--border-focus: #FF6B2C;--text: #fafafa;--text-secondary: #a0a0a0;--text-muted: #666666;--error: #ef4444;--success: #22c55e;--warning: #f59e0b}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;position:relative}.auth-bg{position:fixed;inset:0;background:radial-gradient(ellipse at 20% 0%,rgba(255,107,44,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 100%,rgba(0,212,255,.05) 0%,transparent 50%);pointer-events:none}.auth-container{position:relative;z-index:1;width:100%;max-width:420px;display:flex;flex-direction:column;align-items:center;gap:28px}.auth-logo{display:flex;align-items:center;gap:10px;text-decoration:none}.auth-logo img{width:40px;height:40px}.auth-logo span{font-size:1.25rem;font-weight:700;color:var(--text)}.auth-card{width:100%;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:32px}.card-header{text-align:center;margin-bottom:28px}.icon-circle{width:56px;height:56px;border-radius:50%;background:#ff6b2c1a;color:var(--orange);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.icon-warning{background:#f59e0b1a;color:var(--warning)}.card-header h1{font-size:1.25rem;font-weight:600;margin-bottom:8px;color:var(--text)}.card-header p{color:var(--text-muted);font-size:.875rem}.card-header p strong{color:var(--text-secondary)}.otp-form,.backup-form{display:flex;flex-direction:column;gap:20px}.otp-inputs{display:flex;justify-content:center;align-items:center;gap:8px}.otp-input{width:48px;height:56px;background:var(--bg-input);border:2px solid var(--border);border-radius:10px;text-align:center;font-size:1.5rem;font-weight:600;color:var(--text);font-family:Inter,monospace;transition:all .15s ease}.otp-input:focus{outline:none;border-color:var(--border-focus);background:var(--bg-secondary)}.otp-input.filled{border-color:var(--text-muted)}.otp-input.error{border-color:var(--error);animation:shake .3s ease}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.otp-separator{color:var(--text-muted);font-size:1.5rem;font-weight:300;margin:0 4px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.8rem;font-weight:500;color:var(--text-secondary)}.form-group input{width:100%;padding:12px 14px;background:var(--bg-input);border:2px solid var(--border);border-radius:8px;color:var(--text);font-family:Inter,monospace;font-size:1rem;transition:border-color .15s ease}.form-group input::placeholder{color:var(--text-muted)}.form-group input:focus{outline:none;border-color:var(--border-focus)}.error-message{padding:10px 14px;background:#ef44441a;border:1px solid var(--error);border-radius:8px;color:var(--error);font-size:.85rem;text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 20px;border-radius:8px;font-weight:500;font-size:.9rem;text-decoration:none;cursor:pointer;border:none;transition:background .15s ease}.btn-primary{background:var(--orange);color:#fff}.btn-primary:hover:not(:disabled){background:var(--orange-dark)}.btn-full{width:100%}.btn:disabled{opacity:.7;cursor:not-allowed}.btn .spinner{display:none;animation:rotate 1s linear infinite}.btn.loading .spinner{display:block}.btn.loading span{display:none}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.backup-section{margin-top:24px;padding-top:20px;border-top:1px solid var(--border);text-align:center}.backup-link{background:none;border:none;color:var(--cyan);font-family:inherit;font-size:.85rem;font-weight:500;cursor:pointer;text-decoration:none}.backup-link:hover{text-decoration:underline}.success-state{text-align:center;padding:20px 0}.success-icon{width:64px;height:64px;border-radius:50%;background:#22c55e1a;color:var(--success);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.success-state h2{font-size:1.1rem;font-weight:600;color:var(--text);margin-bottom:8px}.success-state p{color:var(--text-muted);font-size:.9rem}.backup-warning{margin-top:16px;padding:12px;background:#f59e0b1a;border:1px solid var(--warning);border-radius:8px;color:var(--warning);font-size:.85rem}.back-link{display:flex;align-items:center;gap:8px;color:var(--text-muted);text-decoration:none;font-size:.85rem;transition:color .15s ease}.back-link:hover{color:var(--text)}@media(max-width:480px){.auth-container{max-width:100%}.auth-card{padding:24px}.otp-input{width:42px;height:50px;font-size:1.25rem}.otp-inputs{gap:6px}}