* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', sans-serif;
            background: #B8A082;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .auth-container {
            width: 100%;
            max-width: 480px;
            animation: slideUp 0.6s ease-out;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .auth-card {
            background: #F5F1EB;
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(184, 160, 130, 0.2);
        }

        .auth-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .auth-header h1 {
            color: #2d2d2d;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .auth-header p {
            color: #666666;
            font-size: 1rem;
            font-weight: 400;
        }

        .alert {
            padding: 16px;
            border-radius: 12px;
            margin-bottom: 24px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 12px;
            animation: fadeIn 0.3s ease-out;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .alert-danger {
            background: #fed7d7;
            color: #c53030;
            border: 1px solid #feb2b2;
        }

        .alert-success {
            background: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }

        .form-group {
            margin-bottom: 24px;
            position: relative;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #2d2d2d;
            font-weight: 500;
            font-size: 0.9rem;
        }

        .input-wrapper {
            position: relative;
        }

        .input-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: #B8A082;
            font-size: 1.1rem;
            z-index: 2;
        }

        .form-control {
            width: 100%;
            padding: 16px 16px 16px 48px;
            border: 2px solid #D4C4B0;
            border-radius: 12px;
            font-size: 1rem;
            background: #ffffff;
            transition: all 0.3s ease;
            font-family: inherit;
            color: #2d2d2d;
        }

        .form-control:focus {
            outline: none;
            border-color: #B8A082;
            box-shadow: 0 0 0 3px rgba(184, 160, 130, 0.1);
            transform: translateY(-1px);
        }

        .form-control:hover {
            border-color: #A69080;
        }

        .form-control::placeholder {
            color: #999999;
        }

        select.form-control {
            padding-left: 48px;
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23B8A082' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
            background-position: right 16px center;
            background-repeat: no-repeat;
            background-size: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 16px 24px;
            border: none;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            font-family: inherit;
        }

        .btn-primary {
            background: #4A5D23;
            color: white;
            width: 100%;
            margin-bottom: 24px;
        }

        .btn-primary:hover {
            background: #3A4A1C;
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(74, 93, 35, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .auth-footer {
            text-align: center;
            color: #666666;
        }

        .auth-footer p {
            margin-bottom: 12px;
        }

        .auth-footer a {
            color: #B8A082;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .auth-footer a:hover {
            color: #8B7355;
            text-decoration: none;
        }

        .password-strength {
            margin-top: 8px;
            font-size: 0.8rem;
        }

        .strength-bar {
            height: 4px;
            background: #D4C4B0;
            border-radius: 2px;
            margin-top: 4px;
            overflow: hidden;
        }

        .strength-fill {
            height: 100%;
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        .strength-weak { background: #D2691E; width: 25%; }
        .strength-fair { background: #CD853F; width: 50%; }
        .strength-good { background: #8B7355; width: 75%; }
        .strength-strong { background: #4A5D23; width: 100%; }

        @media (max-width: 640px) {
            .auth-card {
                padding: 24px;
                margin: 10px;
            }
            
            .auth-header h1 {
                font-size: 1.75rem;
            }
        }

        .loading {
            display: none;
            width: 20px;
            height: 20px;
            border: 2px solid #ffffff;
            border-top: 2px solid transparent;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .btn-primary.loading .loading {
            display: inline-block;
        }

        .btn-primary.loading .btn-text {
            display: none;
        }

        /* Ocultar elementos nativos del navegador en campos de contraseña */
        .form-control::-ms-reveal,
        .form-control::-ms-clear {
            display: none;
        }

        .form-control::-webkit-credentials-auto-fill-button {
            display: none !important;
        }

        .form-control::-webkit-strong-password-auto-fill-button {
            display: none !important;
        }

        .form-control[type="password"]::-webkit-textfield-decoration-container {
            display: none;
        }

        .form-control[type="password"]::-webkit-password-toggle-button {
            display: none;
        }