* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: #050816;
            color: white;
            min-height: 100vh;
            overflow-x: hidden;
        }
        .hero-bg {
            background:
                radial-gradient(circle at 20% 50%, rgba(34,211,238,0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(168,85,247,0.15) 0%, transparent 50%),
                radial-gradient(circle at 40% 20%, rgba(59,130,246,0.1) 0%, transparent 50%),
                #050816;
        }
        .grid-line {
            background-image:
                linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 60px 60px;
        }
        .glass {
            background: rgba(255,255,255,0.03);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255,255,255,0.08);
        }
        .glass-card {
            background: rgba(255,255,255,0.04);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid rgba(255,255,255,0.1);
            box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
        }
        .form-input {
            width: 100%;
            height: 56px;
            padding: 0 16px 0 48px;
            border: 1.5px solid rgba(255,255,255,0.1);
            border-radius: 16px;
            font-size: 15px;
            color: white;
            background: rgba(255,255,255,0.03);
            transition: all 0.25s ease;
            outline: none;
        }
        .form-input:focus {
            border-color: rgba(34,211,238,0.5);
            background: rgba(255,255,255,0.05);
            box-shadow: 0 0 0 4px rgba(34,211,238,0.1);
        }
        .form-input::placeholder {
            color: rgba(255,255,255,0.3);
        }
        .input-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            width: 20px;
            height: 20px;
            color: rgba(255,255,255,0.3);
            pointer-events: none;
            transition: color 0.2s;
        }
        .form-input:focus ~ .input-icon {
            color: rgba(34,211,238,0.8);
        }
        .code-btn {
            flex-shrink: 0;
            width: 130px;
            height: 56px;
            background: linear-gradient(135deg, rgba(34,211,238,0.2), rgba(168,85,247,0.2));
            color: white;
            border: 1px solid rgba(34,211,238,0.3);
            border-radius: 16px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .code-btn:hover:not(:disabled) {
            background: linear-gradient(135deg, rgba(34,211,238,0.3), rgba(168,85,247,0.3));
            border-color: rgba(34,211,238,0.5);
            transform: translateY(-1px);
        }
        .code-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
        }
        .btn-submit {
            width: 100%;
            height: 56px;
            background: linear-gradient(135deg, #22d3ee, #a855f7);
            color: white;
            border: none;
            border-radius: 16px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s ease;
            position: relative;
            overflow: hidden;
        }
        .btn-submit::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s;
        }
        .btn-submit:hover:not(:disabled)::before {
            left: 100%;
        }
        .btn-submit:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(34,211,238,0.3);
        }
        .btn-submit:active:not(:disabled) {
            transform: translateY(0);
        }
        .btn-submit:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        .btn-submit.loading::after {
            content: '';
            position: absolute;
            right: 20px;
            top: 50%;
            margin-top: -9px;
            width: 18px;
            height: 18px;
            border: 2px solid transparent;
            border-top-color: white;
            border-radius: 50%;
            animation: spin 0.6s linear infinite;
        }
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        .field-error {
            font-size: 13px;
            color: #F87171;
            margin-top: 8px;
            display: none;
            line-height: 1.4;
        }
        .field-error.show {
            display: block;
            animation: fadeIn 0.2s ease;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-4px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .toast-box {
            position: fixed;
            top: 80px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 9999;
            max-width: 380px;
            width: 90%;
        }
        .toast {
            padding: 14px 20px;
            border-radius: 16px;
            font-size: 14px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.3);
            animation: toastIn 0.3s ease forwards;
            backdrop-filter: blur(10px);
        }
        @keyframes toastIn {
            from { opacity: 0; transform: translateY(-16px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .toast-error {
            background: rgba(248,113,113,0.9);
            color: white;
        }
        .toast-success {
            background: rgba(34,197,94,0.9);
            color: white;
        }
        .toast-info {
            background: rgba(59,130,246,0.9);
            color: white;
        }
        .success-animation {
            animation: successPulse 0.5s ease;
        }
        @keyframes successPulse {
            0% { transform: scale(0.95); opacity: 0; }
            50% { transform: scale(1.02); }
            100% { transform: scale(1); opacity: 1; }
        }
        .floating-shapes {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
        }
        .shape {
            position: absolute;
            border-radius: 50%;
            opacity: 0.1;
            animation: float 20s infinite ease-in-out;
        }
        .shape:nth-child(1) {
            width: 300px;
            height: 300px;
            background: linear-gradient(135deg, #22d3ee, #3b82f6);
            top: 10%;
            left: 10%;
            animation-delay: 0s;
        }
        .shape:nth-child(2) {
            width: 200px;
            height: 200px;
            background: linear-gradient(135deg, #a855f7, #ec4899);
            top: 60%;
            right: 15%;
            animation-delay: -5s;
        }
        .shape:nth-child(3) {
            width: 150px;
            height: 150px;
            background: linear-gradient(135deg, #22d3ee, #a855f7);
            bottom: 20%;
            left: 20%;
            animation-delay: -10s;
        }
        @keyframes float {
            0%, 100% { transform: translate(0, 0) rotate(0deg); }
            25% { transform: translate(30px, -30px) rotate(90deg); }
            50% { transform: translate(-20px, 20px) rotate(180deg); }
            75% { transform: translate(20px, 30px) rotate(270deg); }
        }
        .divider {
            display: flex;
            align-items: center;
            margin: 24px 0;
        }
        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            height: 1px;
            background: rgba(255,255,255,0.1);
        }
        .divider span {
            padding: 0 16px;
            color: rgba(255,255,255,0.4);
            font-size: 13px;
        }
        .social-btn {
            flex: 1;
            height: 48px;
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 12px;
            background: rgba(255,255,255,0.03);
            color: white;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .social-btn:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.2);
            transform: translateY(-1px);
        }
        @media (max-width: 480px) {
            .auth-card {
                padding: 32px 24px !important;
            }
        }