:root {
      --slate-50:#f8fafc;--slate-100:#f1f5f9;--slate-200:#e2e8f0;--slate-300:#cbd5e1;
      --slate-400:#94a3b8;--slate-500:#64748b;--slate-600:#475569;--slate-700:#334155;
      --slate-800:#1e293b;--slate-900:#0f172a;--slate-950:#020617;
      --amber-400:#fbbf24;--amber-500:#f59e0b;--amber-600:#d97706;
      --blue-400:#60a5fa;--blue-500:#3b82f6;
      --emerald-400:#34d399;--emerald-500:#10b981;
      --red-400:#f87171;--red-500:#ef4444;
      --purple-400:#c084fc;
      --color-bg:var(--slate-950);--color-bg-elevated:var(--slate-900);
      --color-bg-card:var(--slate-800);--color-text:var(--slate-50);
      --color-text-secondary:var(--slate-400);--color-text-muted:var(--slate-500);
      --color-accent:var(--amber-500);--color-accent-glow:rgba(245,158,11,0.15);
      --color-border:rgba(148,163,184,0.12);--color-border-strong:rgba(148,163,184,0.25);
      --color-success:var(--emerald-400);--color-error:var(--red-400);--color-info:var(--blue-400);
      --font-sans:'Inter',system-ui,sans-serif;
      --radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-full:9999px;
      --shadow-lg:0 12px 32px rgba(0,0,0,0.35);
      --transition-fast:150ms ease-out;--transition-base:250ms ease-out;
    }
    [data-theme="light"]{--color-bg:#f1f5f9;--color-bg-elevated:#ffffff;--color-bg-card:#ffffff;--color-text:var(--slate-900);--color-text-secondary:var(--slate-600);--color-text-muted:var(--slate-500);--color-accent:var(--amber-600);--color-border:rgba(0,0,0,0.08);--color-border-strong:rgba(0,0,0,0.15);--shadow-lg:0 12px 32px rgba(0,0,0,0.12);}
    *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
    body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);min-height:100vh;display:flex;align-items:center;justify-content:center;-webkit-font-smoothing:antialiased;padding:1.5rem;position:relative;overflow:hidden}
    button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
    :focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-md)}

    /* Background */
    .bg-grid{position:fixed;inset:0;background-image:linear-gradient(var(--color-border) 1px,transparent 1px),linear-gradient(90deg,var(--color-border) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse 60% 50% at 50% 50%,black 20%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 60% 50% at 50% 50%,black 20%,transparent 80%);pointer-events:none}
    .bg-glow{position:fixed;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,var(--color-accent-glow),transparent 70%);top:-10%;right:-5%;pointer-events:none}
    .bg-glow-2{position:fixed;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(59,130,246,0.06),transparent 70%);bottom:-10%;left:-5%;pointer-events:none}

    /* Login card */
    .login-card{position:relative;width:100%;max-width:420px;background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-2xl);padding:2.5rem;box-shadow:var(--shadow-lg)}

    .login-logo{display:flex;align-items:center;justify-content:center;gap:0.75rem;margin-bottom:2rem}
    .login-logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--color-accent),var(--amber-600));border-radius:var(--radius-lg);display:grid;place-items:center}
    .login-logo-icon svg{width:22px;height:22px;stroke:var(--slate-950)}
    .login-logo-text{font-weight:900;font-size:1.375rem;letter-spacing:-0.03em}

    .login-title{text-align:center;font-size:1.25rem;font-weight:700;letter-spacing:-0.02em;margin-bottom:0.375rem}
    .login-subtitle{text-align:center;font-size:0.875rem;color:var(--color-text-secondary);margin-bottom:2rem}

    /* Form */
    .form-group{margin-bottom:1rem}
    .form-label{display:block;font-size:0.75rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:0.06em;margin-bottom:0.375rem}
    .form-input{width:100%;height:44px;padding:0 0.875rem;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);font-size:0.875rem;color:var(--color-text);font-family:inherit;transition:border-color var(--transition-fast)}
    @media(max-width:768px){input,select,textarea{font-size:16px!important}button,.btn,.submit-btn,[role="button"]{min-height:44px;min-width:44px}}
    .form-input::placeholder{color:var(--color-text-muted)}
    .form-input:focus{border-color:var(--color-accent);outline:none}
    .form-input.error{border-color:var(--color-error)}
    .form-error{font-size:0.75rem;color:var(--color-error);margin-top:0.375rem;display:none}
    .form-error.visible{display:block}

    .form-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}
    .form-check{display:flex;align-items:center;gap:0.5rem;font-size:0.8125rem;color:var(--color-text-secondary);cursor:pointer}
    .form-check input{width:16px;height:16px;accent-color:var(--color-accent);cursor:pointer}
    .form-link{font-size:0.8125rem;color:var(--color-accent);font-weight:500;cursor:pointer;background:none;border:none}
    .form-link:hover{text-decoration:underline}

    .submit-btn{width:100%;height:48px;background:linear-gradient(135deg,var(--color-accent),var(--amber-600));color:var(--slate-950);border-radius:var(--radius-xl);font-size:0.9375rem;font-weight:700;display:flex;align-items:center;justify-content:center;gap:0.5rem;box-shadow:0 4px 20px var(--color-accent-glow);transition:all var(--transition-fast);position:relative;overflow:hidden}
    .submit-btn:hover{transform:translateY(-1px);box-shadow:0 6px 25px var(--color-accent-glow)}
    .submit-btn:active{transform:translateY(0)}
    .submit-btn:disabled{opacity:0.6;cursor:not-allowed;transform:none}
    .submit-btn svg{width:18px;height:18px}

    /* Loading spinner */
    .spinner{width:20px;height:20px;border:2.5px solid rgba(0,0,0,0.2);border-top-color:var(--slate-950);border-radius:50%;animation:spin 0.6s linear infinite;display:none}
    .submit-btn.loading .spinner{display:block}
    .submit-btn.loading .btn-text{display:none}
    @keyframes spin{to{transform:rotate(360deg)}}

    /* Success state */
    .success-overlay{position:absolute;inset:0;background:var(--color-bg-elevated);border-radius:var(--radius-2xl);display:none;flex-direction:column;align-items:center;justify-content:center;gap:1rem;z-index:10}
    .success-overlay.visible{display:flex}
    .success-icon{width:64px;height:64px;border-radius:50%;background:rgba(52,211,153,0.12);display:grid;place-items:center}
    .success-icon svg{width:32px;height:32px;stroke:var(--color-success);stroke-width:2.5}
    .success-text{font-size:1.125rem;font-weight:700}
    .success-sub{font-size:0.875rem;color:var(--color-text-secondary)}
    .success-redirect{font-size:0.75rem;color:var(--color-text-muted);margin-top:0.5rem}

    /* Setup button */
    .setup-link{display:none;margin-top:1.5rem;padding:1rem;background:rgba(96,165,250,0.08);border:1px solid rgba(96,165,250,0.2);border-radius:var(--radius-lg);text-align:center}
    .setup-link.visible{display:block}
    .setup-link a{color:var(--color-info);font-weight:600;text-decoration:underline}

    /* Auth form visibility */
    .auth-form{display:none}
    .auth-form.visible{display:block}

    /* Password reset panel */
    .reset-form{display:none}
    .reset-form.visible{display:block}
    .reset-steps{display:flex;flex-direction:column;gap:1.5rem}
    .reset-step{display:none}
    .reset-step.active{display:block;animation:fadeIn 0.3s ease-out}
    @keyframes fadeIn{from{opacity:0}to{opacity:1}}
    .reset-step-title{font-size:1rem;font-weight:700;margin-bottom:0.75rem;color:var(--color-text)}
    .reset-step-desc{font-size:0.8125rem;color:var(--color-text-secondary);margin-bottom:1rem;line-height:1.5}
    .reset-back-btn{margin-top:1rem;padding:0.75rem;background:transparent;border:1px solid var(--color-border);color:var(--color-accent);border-radius:var(--radius-lg);font-size:0.8125rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}
    .reset-back-btn:hover{border-color:var(--color-accent);background:rgba(245,158,11,0.08)}

    /* Footer */
    .login-footer{text-align:center;margin-top:1.5rem;font-size:0.75rem;color:var(--color-text-muted)}
    .login-footer a{color:var(--color-accent)}

    /* Toast notifications */
    .toast{position:fixed;bottom:2rem;left:50%;transform:translateX(-50%);background:var(--color-bg-card);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);padding:1rem 1.5rem;font-size:0.8125rem;box-shadow:var(--shadow-lg);z-index:50;max-width:90vw;animation:slideUp 0.3s ease-out}
    .toast.error{border-color:rgba(239,68,68,0.4);background:rgba(239,68,68,0.08);color:var(--color-error)}
    .toast.success{border-color:rgba(16,185,129,0.4);background:rgba(16,185,129,0.08);color:var(--color-success)}
    @keyframes slideUp{from{transform:translateX(-50%) translateY(100px);opacity:0}to{transform:translateX(-50%) translateY(0);opacity:1}}

    /* Theme toggle */
    .theme-toggle{position:fixed;top:1rem;right:1rem;width:40px;height:40px;border-radius:var(--radius-lg);display:grid;place-items:center;color:var(--color-text-muted);transition:all var(--transition-fast);z-index:10;cursor:pointer}
    .theme-toggle:hover{background:var(--color-border);color:var(--color-text)}
    .theme-toggle svg{width:18px;height:18px}

    /* T&C checkbox on login form */
    .terms-row{display:flex;align-items:flex-start;gap:0.625rem;margin-bottom:1.25rem;padding:0.875rem;background:rgba(148,163,184,0.04);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:border-color var(--transition-fast)}
    .terms-row.error{border-color:rgba(239,68,68,0.5);background:rgba(239,68,68,0.04)}
    .terms-row input[type=checkbox]{width:17px;height:17px;margin-top:1px;accent-color:var(--color-accent);cursor:pointer;flex-shrink:0}
    .terms-row-text{font-size:0.8rem;color:var(--color-text-secondary);line-height:1.5;user-select:none}
    .terms-row-text a{color:var(--color-accent);font-weight:600;text-decoration:underline;text-underline-offset:2px}
    .terms-row-text a:hover{opacity:0.8}
    .terms-row-error{font-size:0.75rem;color:var(--color-error);margin-top:0.375rem;display:none}
    .terms-row-error.visible{display:block}

    /* Terms acceptance overlay */
    .terms-overlay{position:fixed;inset:0;z-index:100;background:var(--color-bg);display:flex;align-items:center;justify-content:center;padding:1.5rem}
    .terms-overlay.hidden{display:none}
    .terms-card{width:100%;max-width:560px;max-height:90vh;background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-2xl);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}
    .terms-header{padding:1.5rem 2rem 1rem;flex-shrink:0}
    .terms-header h2{font-size:1.25rem;font-weight:800;letter-spacing:-0.02em;margin-bottom:0.25rem}
    .terms-header p{font-size:0.8125rem;color:var(--color-text-secondary);line-height:1.6}
    .terms-body{flex:1;overflow-y:auto;padding:0 2rem 1rem;font-size:0.8125rem;color:var(--color-text-secondary);line-height:1.7}
    .terms-body h3{font-size:0.875rem;font-weight:700;color:var(--color-text);margin:1.25rem 0 0.5rem}
    .terms-body h3:first-child{margin-top:0}
    .terms-body ul{padding-left:1.25rem;margin:0.5rem 0}
    .terms-body ul li{margin-bottom:0.25rem;list-style:disc}
    .terms-body a{color:var(--color-accent)}
    .terms-footer{padding:1rem 2rem 1.5rem;border-top:1px solid var(--color-border);flex-shrink:0}
    .terms-check{display:flex;align-items:flex-start;gap:0.75rem;margin-bottom:1rem;cursor:pointer;font-size:0.8125rem;line-height:1.5}
    .terms-check input{width:18px;height:18px;margin-top:2px;accent-color:var(--color-accent);cursor:pointer;flex-shrink:0}
    .terms-accept-btn{width:100%;height:48px;background:linear-gradient(135deg,var(--color-accent),var(--amber-600));color:var(--slate-950);border-radius:var(--radius-xl);font-size:0.9375rem;font-weight:700;display:flex;align-items:center;justify-content:center;gap:0.5rem;transition:all var(--transition-fast);cursor:pointer;border:none;font-family:inherit}
    .terms-accept-btn:disabled{opacity:0.4;cursor:not-allowed;transform:none}
    .terms-accept-btn:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 6px 25px var(--color-accent-glow)}
    .terms-scroll-notice{font-size:0.6875rem;color:var(--color-text-muted);text-align:center;margin-top:0.5rem}

    /* Encryption error banner */
    .encryption-error-banner{margin-bottom:1.5rem;padding:1rem;background:rgba(248,113,113,0.08);border:1px solid rgba(248,113,113,0.4);border-radius:var(--radius-lg);color:var(--color-error);font-size:0.8125rem;animation:slideDown 0.3s ease-out}
    @keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
    .encryption-retry-btn:hover{transform:translateY(-1px);box-shadow:0 4px 15px var(--color-accent-glow)}
    .encryption-retry-btn:active{transform:translateY(0)}
    .encryption-continue-btn:hover{border-color:var(--color-border-strong);background:rgba(148,163,184,0.06)}
    .encryption-continue-btn:active{opacity:0.8}
    .encryption-close-btn:hover{color:var(--color-text);background:rgba(148,163,184,0.08)}

    @media(prefers-reduced-motion:reduce){*{animation-duration:0.01ms!important;transition-duration:0.01ms!important;animation:none!important}}
  
[data-login-style="1"] { position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;z-index:9999; }
[data-login-style="2"] { display:flex;align-items:center;gap:0.75rem;margin-bottom:1rem }
[data-login-style="3"] { width:36px;height:36px;background:linear-gradient(135deg,var(--color-accent),var(--amber-600));border-radius:var(--radius-lg);display:grid;place-items:center;flex-shrink:0 }
[data-login-style="4"] { width:20px;height:20px }
[data-login-style="5"] { font-weight:900;font-size:1.25rem;letter-spacing:-0.03em }
[data-login-style="6"] { display:none }
[data-login-style="7"] { position:relative;z-index:1 }
[data-login-style="8"] { font-size:0.8125rem;color:var(--color-accent) }
[data-login-style="9"] { text-align:center;padding:1rem }
[data-login-style="10"] { text-align:center;padding:1.5rem }
[data-login-style="11"] { font-size:3rem;margin-bottom:1rem;color:var(--color-error) }
[data-login-style="12"] { display:none; }
[data-login-style="13"] { display:flex;gap:0.75rem;align-items:flex-start; }
[data-login-style="14"] { width:20px;height:20px;flex-shrink:0;margin-top:0.125rem }
[data-login-style="15"] { flex:1; }
[data-login-style="16"] { font-weight:600;margin-bottom:0.375rem; }
[data-login-style="17"] { font-size:0.8125rem;color:var(--color-text-secondary);margin-bottom:0.75rem;line-height:1.5; }
[data-login-style="18"] { display:flex;gap:0.5rem;flex-wrap:wrap; }
[data-login-style="19"] { padding:0.5rem 1rem;background:linear-gradient(135deg,var(--color-accent),var(--amber-600));color:var(--slate-950);border-radius:var(--radius-lg);font-size:0.8125rem;font-weight:600;border:none;cursor:pointer;transition:all var(--transition-fast);font-family:inherit; }
[data-login-style="20"] { padding:0.5rem 1rem;background:transparent;border:1px solid var(--color-border-strong);color:var(--color-text-secondary);border-radius:var(--radius-lg);font-size:0.8125rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);font-family:inherit; }
[data-login-style="21"] { width:24px;height:24px;display:flex;align-items:center;justify-content:center;border:none;background:none;color:var(--color-text-secondary);cursor:pointer;flex-shrink:0;padding:0;font-size:1rem;line-height:1; }
[data-login-style="22"] { margin-bottom:0.5rem;font-size:0.8125rem;color:var(--color-text-secondary) }
[data-login-style="23"] { font-size:0.9375rem }
.sr-only:focus {
  position: fixed; left: 16px; top: 16px; width: auto; height: auto;
  z-index: 9999; padding: 8px 16px; background: var(--color-accent);
  color: #000; border-radius: 8px; font-weight: 600; text-decoration: none;
}